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Problem Page The price of a notebook was $3.90 yesterday. Today, the price fell to $3.40 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

Problem Page The price of a notebook was $3.90 yesterday. Today, the price fell to $3.40 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.
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1 vote
Problem Page The price of a notebook was $3.90 yesterday. Today, the price fell to $3.40 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

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User Bong
by
8.5k points

2 Answers

1 vote
Always find the difference in prices first.
3.45 - 3.20 = $.25 difference

Always divide the difference by the original price. Change this number into a per cent.
.25/3.45 = .07246 = 7.2% decrease
answered
User ItsPronounced
by
8.1k points
5 votes
the percentage that 3.90 to 3.40 droped is -13%
answered
User Mariux
by
9.2k points
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