Week 3 Practice Problems

Mai makes purple pain by mixing 8 tablespoons of blue paint and 4 tablespoons of red paint. Which of these mixtures produce the same shade of purple paint on Mai's mixture?

Select all that apply.

• Mix tablespoons of red paint and blue paint in the ratio 1:2

• Mix 9 tablespoons of blue paint and 5 tablespoons of red paint

• Mix tablespoons of blue paint and red paint in the ratio of 4 to 2

• For every tablespoon of red paint, mix in 2 tablespoons of blue paint

• For every 2 tablespoons of red paint, mix in 1 tablespoon of blue paint

A recipe for 1 batch of cookies calls for 5 cups of flour and 3 eggs. How many cups of flour are used in 4 batches of cookies?

A recipe for 1 batch of cookies calls for 5 cups of flour and 3 eggs. How many eggs are used in 4 batches of cookies?

A recipe for 1 batch of cookies calls for 5 cups of flour and 3 eggs. How much flour is used with 6 eggs?

A recipe for 1 batch of cookies calls for 5 cups of flour and 3 eggs. How many eggs are used with 15 cups of flour?

Diego estimates that there will need to be 3 pizzas for every 7 kids at his party. Select all the statements that express this ratio.

• The ratio of kids to pizzas is 7:3

• The ratio of pizzas to kids is 3 to 7

• The ratio of kids to pizzas is 3:7

• The ratio of pizzas to kids is 7 to 3

• For every 7 kids, there needs to be 3 pizzas

A recipe for tropical fruit punch says, "Combine 4 cups of pineapple juice with 5 cups of orange juice."

If 12 cups of pineapple juice are used with 20 cups of orange juice, will the recipe taste the same?

• Yes, the recipe will taste the same

• No, the recipe will not taste the same

One batch of pink paint uses 2 cups of red paint and 7 cups of white paint. Mai made a large amount of pink paint using 14 cups of red paint.

How many batches of pink paint did she make?

One batch of pink paint uses 2 cups of red paint and 7 cups of white paint. Mai made a large amount of pink paint using 14 cups of red paint.

How many cups of white paint did she use?

4 movie tickets cost $48. At this rate, what is the cost of 5 movie tickets?