3 years ago

30 Labour s take 20 days to complete a work. How many labour must be added to complete the same work in 15 days?

1 answer:

5 0

30 labours .... 20 days

x ........................15 days

x=(30×20)/15=2×20=40 labours.

Labours added: 40-30=10

Answer: 10 labours added.

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