Question

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question: If it took eight man ten hours to build a wall, how long it would take four men to build it?

Answer 1

Answer:

20 hours .

Explanation:

If it takes ten hours for eight men to build a wall, how long would it take for four men?

The construction of the wall requires 10 hours * 8 men = 80 man-hours.

So if 4 men are employed they will complete the wall in 80 man-hours/4 men = 20 hours.

Mathematically, the answer is 20 hours.

hope it helps.