The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area?

A. 27.5%
B. 37.5%
C. 47.5%
D. 57.5%

Explanation:
100 * 100 = 10000
110 * 125 = 13750
———–
3750
10000 —— 3750
100 ——- ? => 37.5%