Question

A color called “shocking pink” is made by mixing red paint with white paint. The ratio of red to white is 2 to 7. How much red paint should be mixed with 16 fl. oz of white paint?

Answer 1

4.6

Explanation:

Answer 2

To find the amount of red paint to add to the 16 fl oz of white paint, you can set up a proportion and then use cross products to solve for the missing amount of red paint.

red 2 x
white 7 = 16 fl oz

16 x 2 = 7x
32 = 7x
7 7
x = 4 4/7 (approximately 4.6 fl oz)

You will need approximately 4.6 fl oz (or exactly 4 4/7 fl oz) of red paint.