media services charges $30 for a phone, and 20$month for its ecomony plan. the equation c=20t+3describe the total cost c of operating a media service phone for t month
the total cost for 2 months service is?
if a customer has $80 availabe ,how many months of service can she revieve?

Question

saifoo.khan · Answer

is that the same question with the graph one?

anonymous · Answer

they are two different questions with one graph

saifoo.khan · Answer

20(2) + 30
40+30
$70
for part A.

saifoo.khan · Answer

c=20t+30
80 = 20t + 30
50/2= = t

t = 2.5 mnths.

anonymous · Answer

Now the total cost for  2 months service is what 10.00 right?

saifoo.khan · Answer

20(2) + 30
40+30
$70
for part A.

anonymous · Answer

oh i thought you would subtract the two/thanks

saifoo.khan · Answer

Np.

saifoo.khan · Answer

nvm.