Salim Sells Fax Machines That Come in Standard and Enhanced

Multiple Choice

Salim sells fax machines that come in Standard and Enhanced models. The Standard model sells for $325 and the Enhanced model sells for $385. If Salim sold a total of 35 units and took in $12,575, how many of the Enhanced model did he sell?

A) 15
B) 20
C) 25
D) 10