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

The total cost for 10 months of service is?

If a customer has only $80 available, how many months can they receive?

Question

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

The total cost for 10 months of service is?

If a customer has only $80 available, how many months can they receive?

anonymous · Answer

Am I right when I say the total for 10 months is 230?

anonymous · Answer

230, they can afford 2 months

anonymous · Answer

10 months of service costs $230
$80 buys 2.5 months of service