13 men dig a trench, 9 whole 2/7m long, in 1 day. How many men should be employed for digging a trench, 15 m long, in 1 day?
pls show all the steps
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Answer:
= 13 × 9 2/7 × 15
= 13 × 65/7 × 15
= 21 men should be employed to dig 15 m in 1 day.
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