Question 253191
If p pencils cost c cents, how many pencils can be bought for d dollars?

A) dp/c    B) 100c/dp   C) 100cp/d   D) 100cd/p    E) 100dp/c  
.
Cost for one pencil is:
c/p
"d dollars" is equal to:
100d cents
Therefore, number of pencils you can buy is:
100d/(c/p)
100dp/c (Answer E)