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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​

Respuesta :

Answer:

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.

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