Question

Assume the average cost of maintaining a dog is the same from month to month. After 55 months, the dog had cost you a total of $5,468.50. After 82 months, the dog has cost you a total of $8,053.75. How much did you pay for the dog originally?

A) $95.75
B) $298.00
C) $393.75
D) $406.00

Answer 1

Originally, you will pay $95.75 for the dog.

Explanation:

Given:

Maintenance cost of dog after 55 months = $5,468.50

Maintenance cost of dog after 82 months = $8,053.75

To Find:

How much did you pay for the dog originally = ?

Solution:

It is stated that the maintenance cost is same from month to month

Now 82 - 55 = 27 months

For 27 we have paid

$8,053.75 - $5,468.50

$2585.25

But one month the amount paid will be

`(2585.25)/(27)`

=>95.75