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notka56 [123]
3 years ago
8

mr.barret bought a new battery for his new car. the battery cost $72. sincw batteries are a taxable item he had to pay 7.5%. wha

t was the total cost of the battery in dollars and cents?
Mathematics
2 answers:
Aloiza [94]3 years ago
8 0
$77.40

$72 (price) x 1.075 (the one is so you can do it in one step, the .075 is 7.5%)
That equals $77.40
sergeinik [125]3 years ago
4 0
Answer : $77.40

Step by step explanation:

Set up a proportion.

72 • 7.5 = $540

540 / 100 = $5.40

The tax is $5.40.

Now you add the tax to the subtotal.

5.40 + 72.00 = 77.40

The total amount is $77.40.
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