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## Sue owes an amount of £800 Each month, she pays back 20% of the amount she still owes. How much will she still have left to pay

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Sue owes an amount of £800

Each month, she pays back 20% of the amount she still owes.

How much will she still have left to pay at the end of five months?

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Mathematics
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2021-08-11T09:45:39+00:00
2021-08-11T09:45:39+00:00 1 Answers
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## Answers ( )

Answer:She will have £262 left to pay at the end of five months.

Step-by-step explanation:Exponential equation for an amount:A exponential equation for an amount that decays has the following format:

In which A(0) is the initial amount, r is the decay rate, as a decimal, and t is the time measure.

Sue owes an amount of £800This means that

Each month, she pays back 20% of the amount she still owes.This means that

So

How much will she still have left to pay at the end of five months?This is A(5). So

She will have £262 left to pay at the end of five months.