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If the total price for \(n\) copies of a book is \(\$31.5,\) what is the per copy of the book?
(1) if twice as many copies were bought for the same total price, the price per copy would be \(\$1.75.\)
(2) if \(4\) fewer copies were bought for the same total price, the price per copy would be \(\$2.80\) greater.
Answer: D
Source: Princeton Review
(1) if twice as many copies were bought for the same total price, the price per copy would be \(\$1.75.\)
(2) if \(4\) fewer copies were bought for the same total price, the price per copy would be \(\$2.80\) greater.
Answer: D
Source: Princeton Review
