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Ludmilka [50]
4 years ago
13

A carpenter sawed a board into 5 equal pieces each 3 1/8 inches long. How long was the board?

Mathematics
1 answer:
zavuch27 [327]4 years ago
4 0
Hi there! To solve this question, we can just simply multiply 3 1/8 and 5, because we're looking for the total length of the board, before it was cut into 5 equal pieces. To multiply fractions, just do it straight across. Numerator * numerator / denominator * denominator. 3 1/8 as a mixed number is 25/8 and 25/8 * 5/1 is 125/8 or 15 5/8 in mixed number form. There. The board was 15 5/8 inches long. The answer is D.
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