Linear Inequalities Quiz by K V VIDYA 2438119

Instructions

kvvidya — 2024-10-19 07:01:40 UTC

Welcome to our Linear Inequalities Quiz Padlet! Please follow the instructions below to complete the activity. If you have any questions, please ask your teacher for help. • Read each question posted by your teacher carefully. • Add a new post for each question, providing your answer and a detailed justification for your solution. • Use mathematical notation and clear explanations in your responses. • After submitting your answers, review your classmates' posts. • Use reactions (like, star, or upvote) to indicate the best explanations and solutions you find. • Feel free to comment on posts to ask questions or provide additional insights.

1. Ravi goes to market with Rs 200 to buy rice, which is available in packets of 1 kg. The price of one packet of rice is Rs 30. If x denotes the number of packets of rice,which he buys, then the total amount spent by him is Rs 30x. Since, he has to buy rice in packets only, he may not be able to spend the entire amount of Rs 200.Represent the given problem as a linear expression or equation?If it is not an equation, mention the reason why?

kvvidya — 2024-10-19 07:05:10 UTC

30x < 200 (not an equation as it does not involve the sign of equality.

2. Reshma has Rs 120 and wants to buy some registers and pens. The cost of one register is Rs 40 and that of a pen is Rs 20. In this case, if x denotes the number of registers and y, the number of pens which Reshma buys, then the total amount spent by her is Rs (40x + 20y) .Represent the given problem as a linear expression , equation and mention if it is an inequality.

kvvidya — 2024-10-19 07:06:31 UTC

40x + 20y ≤ 120 ( This is an inequality )

3. Given the two mathematical statements :40x + 20y < 120 and 40x + 20y = 120

kvvidya — 2024-10-19 07:10:46 UTC

The first statement is is not an equation, i.e., it is an inequality and the second one is an equation.