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English, 14.12.2020 03:10 avahrider1

One smartphone plan costs $52 per month for talk and messaging and $8 per gigabyte of data used each month. A second smartphone plan costs $82 per month for talk and messaging and $3 per gigabyte of data used each month. Let

c represent the total cost in dollars and d represent the amount of data used in gigabytes.

+

Ic=52 + 8d

The system of equations

can be used to represent this situation,

C= 82 + 3d

How many gigabytes would have to be used for the plans to cost the same? What would that cost be?

Both plans would cost s

if

gigabytes of data are used.

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Answers: 3

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