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damaskus [11]
3 years ago
10

This year Adeele paid £465 for her car insurance. This is an increase of 20% on last year's payment. How much did Adele pay last

year?
Mathematics
1 answer:
harkovskaia [24]3 years ago
5 0

Answer:

Insurance cost (last year)= £387.5

Step-by-step explanation:

Giving the following information:

Insurance cost= £465

Increase growth rate= 20% = 0.2

<u>To calculate the cost of insurance last year, we need to use the following formula:</u>

Insurance cost (last year)= insurance cost / (1 + insurance growth rate)

Insurance cost (last year)= 465 / (1 + 0.2)

Insurance cost (last year)= £387.5

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Step-by-step explanation:

Complete Question

A display case in the shape of a rectangular pyramid has a base that is 12 inches by 9 inches. It is 8 inches tall. What is the volume of the display case?

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