A student can afford to spend up to $370 on a stereo system and some compact discs. If the stereo costs $155 and the discs are $9.50 each, find the greatest number of discs he can buy.
A) 22
B) 20
C) 26
D) 25
E) 21

Question

Quizplus · Accepted Answer

After purchasing the stereo for $155, the student has $370 - $155 = $215 left. Each disc costs $9.50, so the maximum number of discs he can buy is $215 / $9.50 = 22.6. Since he can't buy a fraction of a disc, the greatest whole number of discs he can buy is 22.

A Student Can Afford to Spend Up to $370 on a Stereo