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3 years ago

6

Mario opens a store credit card when he purchases new carpeting. The interest rate is 20.45%. He charges $3,240 to the card, and

can pay $1,150 per month. What will the total cost of his purchase be?
$3,240.00
$3,349.36
$3,902.58
$4,289.36

1 answer:

andrey2020 [161]3 years ago

6 0

2 X $1150 + $1049.34 = $3,349.34

Total cost= $3,349.34

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Let us assume that Johnny has x items and Bobby has y items in their list.

Bobby had 3 more than twice as many items on it than Johnny. So,

$\Rightarrow y=3+2x$ ----------1

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Putting the value of x from equation 2 in equation 1, we get

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