Question

If 36 workers can build a wall in 10 days, how many days will it take 20 workers to build a similar wall?
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Answer 1

36/10=20/x

cross multiplication

36x=200

x=200/36

x=5.6(approx)

Answer 2

Answer:

18 days

Step-by-step explanation:

Workers- 36  |   20

Days     -  10   |    x

36*10 = 20*x [inverse variation]

36*10/20 = x

x = 18 days

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