Question

15% of amount = 112.79

Answer 1

0.15X = 112.79
X = 112.79 ÷ 0.15
X = 751.93

Answer 2

To find the original amount, you divide the product by the percentage. 

112.79 / 0.15 ≈ 751.933 (the 3's repeat infinitely). 

To check your answer, multiply 751.933 by 0.15. 
751.933 * 0.15 = 112.78995 ≈ 112.79