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38 votes
38 votes
3.4 Six men can build 150 m of wall in ten hours. How many men are needed to build a

200 m wall in four hours?

User Kenyee
by
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1 Answer

15 votes
15 votes

Answer:

20 men

Explanation:

6*10=60 man hours to build 150 m

60/150=2/5 man hours per m

200*2/5=80 man hours

80/4 =20 men

User Marramgrass
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