Question

7/10 of the books sold by the used book store had hardback covers. 2/3 of those had been repaired. What part of the books sold had repaired hardback covers?

Answer 1

7/15

Explanation:

2/3 of those means 2/3 of the 7/10 books sold by the used book store

2/3 of 7/10 means 2/3 * 7/10 = 14/30 = 7/15

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