Question

Rex weighed 80 pounds a year ago. Now he weighs 92 pounds. What is the percent increase in his weight?

(A)12%
(B)13%
(C)15%
(D)16%

Answer 1

%change=100(final-initial)/initial

%change=100(92-80)/80

%change=1200/80

%change=15%

Answer 2

(92-80)/80=.15
.15~15%
Answer is 15%