# Math

posted by
**Anonymous**
.

C (n) = 500 + 4n ,

C is cost in dollars. of renting hall 4 prom given my equation:

C (n) = 500 + 4 n

n = # of students going to prom.

Calculate cost of renting hall

if 70 students go.

A. $108

B. $500

C. $780

D. $970