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10-10-2018
Mathematics

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The sales volume for an online bookstore was 432 books in the first week. Then due to the new policy of tax for on-line shopping, the sales volume dropped to 297 books at the second week. By what percent did the sales volume go down?

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remotecontrolbrain remotecontrolbrain

11-10-2018

The volume drop is 432-297= 135

135 books is a fraction 135/432 of the original volume 432. That is (x100): 31.25%

So the sales went down by 31.25%

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