media services charges $20 for a phone and $30/month for its economy plan. what is the total cost for 10 months service

Question

C(t)= 30t +20=
total cost is $500 for 10 months?

Answer 1

You're paying way too much if the total cost is $500 for ten months. You only pay once for the phone.

C = (30 * 10) + 20

C = ?

Answer 2

C=300+20
C= $320 total cost

or did i miss the boat again?

Answer 3

You have it right this time! :-)

Answer 4

320! i thinkk