Custumers of a phone company can choose between two service plans for long distance calls. The first plan has a $9 monthly fee a

Question

3 years ago

13

Custumers of a phone company can choose between two service plans for long distance calls. The first plan has a $9 monthly fee a

nd charges an aditional $0.13 for each minute pf calls. The second plan has $23 monthly fee and charges an additional $0.09 monthly for each minute of calls. For how many minutes of calls will the costs of the two plans be equal

Mathematics

2 answers:

Zinaida [17] · Answer 1 · 2022-04-12T07:58:15+03:00

Zinaida [17]3 years ago

5 0

9+0.13x
23+0.09x
im not sure if thats how u solve it but i tried my best to help sorry

saul85 [17] · Answer 2 · 2022-04-12T06:22:08+03:00

The answer is 350.

m= minutes

Plan 1: 9+0.13m
Plan 2: 23+0.09m

9+0.13m = 23+0.09m
-9 -9
0.13m = 14+0.09m
-0.09m -0.09m
0.04m= 14
14÷0.04= 350
m= 350