Question

Find the whole using the percent proportion. 70% of what number of hay bales is
63 hay bales?

Answer 1

Answer: 90

Explanation:

0.7x = 63, x = 63/0.7 = 90

Answer 2

90

Explanation:

Let the whole number be x.

100% is to x as 70% is to 63

100/x = 70/63

10/x = 10/9

10x = 90 * 10

x = 90