Mathematics, 11.09.2021 02:50 kitkattt1246
A local cell phone company off ers two different calling plans. In the fi rst plan, you pay a monthly fee of $30 and $.35 per minute. In the second plan you pay a monthly fee of $99 and $.05 per minute
a. Write a system of equations showing the two calling plans.
b. When is it better to use the fi rst calling plan?
c. When is it better to use the second calling plan?
d. How much does it cost when the calling plans are equal?
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A local cell phone company off ers two different calling plans. In the fi rst plan, you pay a monthl...
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