Question

A paint mixer calls for 3 parts of white paint to 8 parts of red paint to make pink. How many parts of red paint would you mix with 12 parts of white paint to get the same shade of pink?

Answer 1

Answer: 32 parts red

Explanation:

3 parts white : 8 parts red

12 parts white : ?

12/3 x 8 = 32 parts red

Answer 2

32 parts

Explanation:

We can use ratios to solve

3 white 12 white

---------------- = -----------------

8 red x red

Using cross products

3x = 8*12

3x = 96

Divide each side by 3

3x/3 =96/3

x= 32