4) Crystal wants to buy the newest iPhone XS Max that costs $1200.

The salesperson says if she does not want to pay the full price now she can make a down payment of $225 and pay $135 for the next eight months. If Crystal chooses to go with the payment plan what percent increase from the original cost will there be?

btw the formula for this is, I. P. R. T

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Mathematics

10 February, 05:58

4) Crystal wants to buy the newest iPhone XS Max that costs $1200.

The salesperson says if she does not want to pay the full price now she can make a down payment of $225 and pay $135 for the next eight months. If Crystal chooses to go with the payment plan what percent increase from the original cost will there be?

btw the formula for this is, I. P. R. T

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Answers (1)

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Alfredo Herring · Answer 1

8.75%

Step-by-step explanation:

If she pays $135 eight times then she pays a total of 135 x 8 = $1080.

She had a down payment of $225, so that added on becomes $1305.

1305/1200 is 1.0875, which is an increase of 0.0875 over the original.

0.0875 x 100 = 8.75% increase.