# Math

posted by
**Richard**
.

Media service charges $20 for a phone and $30/month for its economy plan. The equation c=30t +20 describes the total cost,c, of operating Media Services phone for t months.

A) The total cost for 8 months of service is? My answer $260

If a customer has only $90 available, how many months of service can she receive? My answer is B

A. 2 1/2

B. 2 1/3

c. 3

d. 2