Math, asked by pamidiyuvansri, 9 months ago

6 men or 10 boys can do a piece of work in 15 days if 7 men and x boys can do work on 9 what is x​

Answers

Answered by Raunit1082
3

Answer:

5 boys

Step-by-step explanation:

mandays =>

mens= 6×15= 90days

boys= 10×15= 150days

therefore,

(7/90+ x/150)9= 1

7/10+ 3x/50 = 1

35+3x/50= 1

35 + 3x =50

3x= 50-35

3x=15

x=5 boys

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