Monday, January 14, 2008

percent of 600

If 70 percent of 600 is 40 percent of x, then x =

A. 105
B. 168
C. 342 6/7
D. 660
E. 1,050

1 comment:

Luís Botelho Ribeiro said...

This equallity can be expressed as follows:
70%.600 = 40%.x <=>

x = 7*600 / 4 <=>

x = 4,200/4 = 2,100/2 = 1,050

Option E. is the one.