6.2 Section B & C Checkpoint

Directions: Answer each question in the Checkpoint. Check your work before you submit it. A painter mixes 3 cups of black paint and 20 cups of white paint to make a batch of gray paint. a. How many cups of black paint are needed to make 5 batches of the gray paint?

• 15 cups

• 10 cups

• 5 cups

• 20 cups

If the painter has 18 cups of black paint, how many cups of white paint are needed to make the same shade of gray?

• 120 cups of white paint.

• 18 cups of white paint.

• 36 cups of white paint.

• 72 cups of white paint.

• $1.25 per person.

• $1.50 per person.

• $1.00 per person.

• $2.00 per person.

Diego and Priya each rode their bicycle at a constant speed. Diego traveled 7 kilometers in 60 minutes. Priya traveled 2 kilometers in 15 minutes. Did they travel at the same rate?

• Yes

• No

Explain your reasoning of how you compared the distance and time for Diego and Priya.

• I choose yes because each ratio is equivalent to one another.

• I choose yes because you can divide to get equivalent ratios.

• I choose no because each ratio does not equal the same value.

• I choose no because you have odd and even numbers that don't match up.

Lin is making pancakes using a pancake mix and water. In her recipe, the ratio of cups of pancake mix to cups of water is 4 : 3.

a) Lin mixes 20 cups of pancake mix and 15 cups of water. Is this mixture of pancake mix to water equivalent?

• YES, both ratios areequivalent

• NO, they are not equivalent

Find two ratios of cups of pancake mix to cups of water to make pancakes that would taste the same as those using the amounts stated in the original recipe. of 4 : 3.

• 2:1 and 15 : 20

• 5:2 and 10:4

• 1:1 and 2:2