Customers of a phone company can choose between two service plans for long distance calls. The first plan has a

$

16

monthly fee and charges an additional

$

0.10

for each minute of calls. The second plan has no monthly fee but charges

$

0.14

for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

Question

Mathematics

Ethen Strickland

23 October, 18:46

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a

$

16

monthly fee and charges an additional

$

0.10

for each minute of calls. The second plan has no monthly fee but charges

$

0.14

for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

+1

Answers (1)

Know the Answer?

Richard Dougherty · Answer 1

A=16+0.1m and b=0.14m they will be equal when:

16+0.1m=0.14m subtract 0.1m from both sides:

16=0.04m divide both sides 0.04

m=400 minutes

So after using 400 minutes both plans will cost the same.