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20-03-2016
Mathematics

Answered

A bookstore had 90 copies of a magazine. Yesterday, it sold 1 over 6 of them. Today, it sold 1 over 3 of what remained. How many copies does the bookstore have left?

Verified Answer :

20-03-2016

90 total

\(\frac{1}{6}\) of 90 (15) sold yesterday.

90 - 15 = 75 remaining.

\(\frac{1}{3}\) of 75 (25) sold today.

75 - 25 = 50 copies remaining.

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