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Anuta_ua [19.1K]

4 years ago

7

The price of a notebook was $3.50 yesterday. Today, the price rose to $4.00 . Find the percentage increase. Round your answer to

the nearest tenth of a percent.

1 answer:

brilliants [131]4 years ago

5 0

Percent increase : (4.00 - 3.50) / 3.50....* 100
0.50 / 3.50...* 100
0.1428 * 100
14.28% ...this rounds to 14.3% <==

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now we sub

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cross multiply
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x = 1200/60
x = 20

check..
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