Question

62.4% of what number is 17.16?

What percent of 51 is 127.5?
(Those are two questions but like on the same thing )

Answer 1

first: 27.5

second: 250%

Explanation:

first: 17.16 ÷ 62.4% = 0.275, 27.5

second: 51 ÷ 127.5 = 0.4, 40%,

100% ÷ 40%, = 2.5, 250%