Which is cheaper? 20% off the original price of 19.99 or 10% off its original price of $17 for a book?

You have to compute the prices of the two alternatives after deducting discount based on the different percentage given.

First alternative: $19.99 – ($19.99 x 20%) = $15.99

Second alternative: $17 – ($17 x 10%) = $15.30

Therefore, the alternative where there will be a 10% off on the original price of $17 for a book is cheaper.

it could 14.28 but if its not that one then it has to be the 17 one. hope this ! : )

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283 square feet

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good luck