Tanisha and rebecca are signing up for a new cell phone plan to only charge for the number of minutes and everything else included in the monthly fee their plans are as follows

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Tanisha and Rebecca are signing up for the new cellphone plans that only charge for the number of minutes and everything else is included in a monthly fee. Their plans are as follows:

Tanisha s Plan: $0.15 per minute used talking and a $25 monthly fee

Rebecca s Plan: $0.10 per minute used talking and a $18.50 monthly fee

After how many minutes will the two plans charge the same amount?

Let

x ----> the number of minutes

y ---> the total charge in dollars

we know that

Tanisha s Plan

-----> equation A

Rebecca s Plan

-----> equation B

To find out after how many minutes will the two plans charge the same amount, equate equation A and equation B

solve for x

therefore

They will never pay the same amount , because the time cannot be a negative number.

Rebecca s Plan is better than Tanisha s Plan because it has smaller fee and less cost per minute

answer: b.36 feet

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