•Solve percent mixture word problems by using system of linear equations and finding the solutions by Multiplying First.

•Create your own percent mixture word problem that can be solved by using system of linear equations.

a.Copy and complete the table to write the system of equations that represents the situation.

b.Solve the system of equations to find how much she will use from each bottle to get 100 mL of a 4% acid solution.

b)Solve the system of equations to find how many mL of each solution does the doctor use?
c)What if pure acid is mixed with 60 mL of 25% acid solution to get a 40% acid solution, how many m of pure acid do you need?

How much water should be evaporated to make it a 30% salt solution?

How many gallons of each must be used to make 60 gal of paint that is 19% green dye

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2)A farmer has two types of milk, one that is 24% butterfat and another which is 18% butterfat. How much of each should he use to end up with 42 gallons of 20% butterfat

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3)You are making 6 litres of fruit punch for your birthday party. You have bottles of 100% fruit juice and 20% fruit juice. How many litres of each type of juice should you mix to make 6 litres of 80% fruit juice.

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4)Rashed has 60 litres of 70% petroleum . How many litres of water must be added to form a petroleum that is 40% gasoline

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5)How many millilitres of pure chocolate must be added to 150 ml of chocolate topping that is 50% chocolate to make a topping that is 75% chocolate

b)Solve the system of equations to find how many liters of each solution does the engineer use?

c)What if the refinery has only 10 liters of 97 % octane solution, how many liters they can produce of the special-grade petroleum?