The telephone company offers two billing plans for local calls. Plan 1 charges $36 per month for unlimited calls and Plan 2 char

Question

3 years ago

10

The telephone company offers two billing plans for local calls. Plan 1 charges $36 per month for unlimited calls and Plan 2 char

ges $13 per month plus $0.05 per
call

a. Use an inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2

b. Explain the meaning of the answer to part a.

a. Let x represent the number of monthly calls. The answer is

(Type an inequality.)

Mathematics

1 answer:

Katyanochek1 [597] · Answer 1 · 2022-12-05T08:20:57+03:00

Katyanochek1 [597]3 years ago

5 0

Answer:

After 460 calls plan 1 is more economical than plan 2

Step-by-step explanation:

Plan 1: 36x + 0y

Plan 2: 13x + 0.05y

36x < 13x + 0.05y

36x - 13x < 0.05y

23x < 0.05y

23/0.05x < y

460x < y