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spiral of equilateral triangles - Presentation (16:9) by Zaklina Georgieva

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Newspaper sales - Presentation (16:9) by Zaklina Georgieva

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Latvija

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Sude B.-Umut S-Saraj Q.-Ranya N (TURKEY)

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Sude B.-Umut S-Saraj Q.-Ranya N (TURKEY)

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Here is our solution to this problem from Mr Adam's perspective.

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Ranya N.-Saraj Q.-Sude B.-Umut S. (TURKEY)

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Ranya N.-Saraj Q.-Sude B.-Umut S. (TURKEY)

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Here is our solution to this problem from Miss Sarah's perspective.

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SOU „Ljupco Santov“ Кocani, N.Macedonia

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Teodora Mladenova,            SOU "Ljupco Santov" - Kocani, North Macedonia

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Teodora Mladenova,            SOU "Ljupco Santov" - Kocani, North Macedonia

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https://www.canva.com/design/DAEbcBAKyeg/HvTmYMUwUxbCcD8HQhPoRw/view?utm_content=DAEbcBAKyeg&utm_campaign=designshare&utm_medium=link&utm_source=publishsharelink&fbclid=IwAR2lJhpfZVgkucx9ZKMrR-yg7ze1ctlR34JKGg6hv-JD0faLVkpBHboCL2A#1

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Anastasija Lefkova
Мunicipal high school-,,Ljupco Santov``
Kocani,Macedonia

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Innovations in software can now tell us how to space out riders so they never run into each other, or how high to make the wall on a curve to keep eve...

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Ciocoiu Andrei, Romania

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Nerea Contreras López

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Irene Tarancón Martínez

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Oscar Claramonte

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Jorge Marín García

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Goizane Jiménez Izquierdo

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Leticia Jávega

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Mehmet Emin C., Kardelen T., Betül K., Umut S. and Sarajulhaq Q. (Turkey)

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Mehmet Emin C., Kardelen T., Betül K., Umut S. and Sarajulhaq Q. (Turkey)

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Математика проект

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By Eugene Gofenshefer from Latvia

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Eugene Angerman (Latvia)

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Solution of the problem Newspapers Sale

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Gaciu Isabela (Lisa) & Maria Bedau (Raisa) (Romania)

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Gaciu Isabela (Lisa) & Maria Bedau (Raisa) (Romania)

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Gaciu Isabela (Lisa) & Maria Bedau (Raisa) (Romania)

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Gaciu Isabela (Lisa) & Maria Bedau (Raisa) (Romania)

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Mehmet Emin C., Sarajulhaq Q.  and Umut S. (Turkey)

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Mehmet Emin C., Sarajulhaq Q.  and Umut S. (Turkey)

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Mehmet Emin C., Sarajulhaq Q.  and Umut S. (Turkey)

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Mehmet Emin C., Sarajulhaq Q.  and Umut S. (Turkey)

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See also the construction in GeoGebra: https://www.geogebra.org/classic/zfpvrd44
The source of inspiration for the problem: https://geometrydaily.tumblr.com/post/22586826330/128-ad-astra-a-new-minimal-geometric

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Alex-Maria (RO)

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Teodora-Matei (RO)

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Mehmet Emin C., Kardelen T., Öner M., Sarajulhaq Q.  and Umut S. (Turkey)

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Mehmet Emin C., Kardelen T., Öner M., Sarajulhaq Q.  and Umut S. (Turkey)

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Sümeyye B., Hilal K. and Medine K. (Turkey)

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Sümeyye B., Hilal K. and Medine K. (Turkey)

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Sümeyye B., Hilal K. and Medine K. (Turkey)

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Sümeyye B., Hilal K. and Medine K. (Turkey)

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Mehmet Emin C., Kardelen T., Sarajulhaq Q. and Umut S. (Turkey)

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Mehmet Emin C., Kardelen T., Sarajulhaq Q. and Umut S. (Turkey)

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Goizane Jiménez Izquierdo

THE WATER BILL

Process:

·       In subparagraph a) we take the fixed part of the table and add it with the variable part, that part is multiplied by 0 because we don´t consume water and multiply it by VAT which is 10%. We do this same process in all, but the distribution part that according to what we have spent we have to choose between three different blocks and in garbage collection since we
don´t have to increase the VAT.

·       In subparagraph b) we take the fixed part of the table and add it with the variable part, that part is multiplied by 23 because the water consumption is 23m³ and multiply it by the VAT which is 10%. We do this same process in all but, the distribution part that as we have spent 23m³ we have to choose block 1 multiplied by the said cubic meters and in the garbage collection since we don´t have to increase the VAT.

·       In subparagraph c) we take the fixed part of the table and add it with the variable part, that part is multiplied by 40 because the water consumption is 40m³ and multiply it by the VAT which is 10%. We do this same process in all but, the distribution part that as we have spent 40m³ we have to choose block 1 and 2, in this case we have to start the 40 meters in two blocks, that is, 35 in block 1 and 5 in block 2, add and multiply by VAT and in garbage collection since we don´t have to increase the VAT.

·       In subparagraph d) we take the fixed part of the table and add it with the variable part, that part is multiplied by 53 because the water consumption is 53 m³ and multiply it by the VAT which is 10%.
We do this same process in all but, the distribution part that as we have spent 53 m³ we have to choose block 1 and 2, in this case we have to start the 53 meters in three blocks, that is, 35 in block 1, 15 in block 2 and 3 in block 3, add and multiply by VAT and in garbage collection since we don´t have to increase the VAT.

·       In subparagraph e) we have to take out which block of the distribution are the €59, 94, we know that it is in block 1. We removed the variable part with VAT (29, 04) which are 30, 9. 30, 9 we divide it by VAT (1, 1) which is
28, 09 without VAT. We take out what is the variable part to know the result of 1 m³ which is 0, 9365. The VAT-free part (28, 09) is divided by the result of 1 m³ (0, 9365) which result are 30 m³ consumed.

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Mehmet Emin C., Kardelen T. and Sarajulhaq Q. (Turkey)

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Mehmet Emin C., Kardelen T. and Sarajulhaq Q. (Turkey)

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Mehmet Emin C., Kardelen T. and Sarajulhaq Q. (Turkey)

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Mehmet Emin C., Kardelen T. and Sarajulhaq Q. (Turkey)

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Solution of the problem, Newspaper Sales

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10-year average temperature data