Question 1187187
The length of a rectangle is increased by 30 percent and its width is increased by 20 percent.
 By what percent does the area increase?
(A) 50 (B) 54 (C) 56 (D) 60 (E) 156
:
let the original area = 1 * 1 = 1
the new area: 1.3 * 1.2 = 1.56
find the area increase .56/1 or 56%