Respuesta :
The inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2 is 24 < 0.04x + 17 and the number of calls will be 175.
How to illustrate the information?
It should be noted that from the information, the telephone company offers two billing plans for local calls. Plan 1 charges $24 per month for unlimited calls and Plan 2 charges $17 per month plus $0.04 per call.
Let x = number of calls per month
Therefore, option 1 is more economical when 24 < 0.04x + 17
Solve for x.
This will be:
24 < 0.04x + 17
24 - 17 < 0.04x
-7 < 0.04x
x = 7/0.04
x = 175
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Complete question:
The telephone company offers two billing plans for local calls. Plan 1 charges $24 per month for unlimited calls and Plan 2 charges $17 per month plus $0.04 per call.
The telephone company offers two billing plans for local calls. Plan 1 charges $24 per month for unlimited calls and Plan 2 charges $17 per month plus $0.04 per call.
a. Use an inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2.
