Question

media service charges $40 for a phone and $20/month for it economy plan .the equation c=20t=40 describes the total cost c,of operating a media service phone for t month

Answer 1

What exactly is the question?

Answer 2

the total cost for 4 month of service is ?

Answer 3

$120

Answer 4

if a customer has only $90 available how many months of service can she receive

Answer 5

2 months, 20*2=40. 40+40=80.

Answer 6

After the 120 do i need to put 120t

Answer 7

No, cus then t=1. not the case.... Are you plugging it into the equation?

Answer 8

Your equation is faulty. if the total cost is c, then the equation should be c = 40 + 20t.