Question

Purple paint:mix 2 quarts of red paint for every3quarts of blue paint. How many blue paint is needed to make 35 quarts of purple paint?

Answer 1

Answer: 21 quarts of blue paint

Explanation: To make a batch of purple paint, it is necessary 2 quarts of red and 3 quarts of blue, resulting in 5 quarts of purple.

So, to make 35 quarts of purple:

5x = 35

x = 7

It is needed, in total, 7 quarts of purple.

As, the ratio is 2 quarts of red to 3 quarts of blue:

Blue: 7 x 3 = 21

For 35 quarts of purple paint, it's necessary 21 quarts of blue paint.