Question

The ratio of the number of cups of blue paint to the number of cups of red paint that Lara mixed to make a shade of purple paint is 3:1. Part A: Write a sentence to describe the number of cups of blue paint that Lara mixed with each cup of red paint. (4 points) Part B: How many cups of red paint should Lara add to each cup of blue paint to make the shade of purple? Explain your reasoning. (4 points) Part C: If Lara purchased 6 cups of blue paint for $48, what is the unit price per cup of blue paint? (2 points)

Answer 1

Answer:

A. She mixed 3 cups of blue paint with one cup of red paint.

B. She should add about 0.33 of a cup of red paint with one blue paint cup.

C. $8

Step-by-step explanation:

A. for every 3 cups of blue, she mixed one cup of red paint.

ratio: 3:1

B. 3/1 = about 0.33.

C.  6 cups = 48

48/6 = $8 is the unit price for blue paint cups.