Math, asked by vasuchaudhary659, 11 months ago

A can finish a work in 15 days ,B in20 days and C in x days .they work together and earn a total rs 4700. find the value of x,if the share of C is rs 1200​

Answers

Answered by haridasan85
0

Answer:

A. B. . c

1/15. 1/20. .1/x

Ratio

multiply by 300x

20 x:15x: 300

.4x: 3x: 60

Creceives 1200 of 4700

4700x60/(7x+60) = 1200

1200 (7x+60) = 4700x60

7x+60=47oox 60/1200 =235

7x+60 =235

7x=235-60

7x=175

x = 175/7 = 25

C will complete the work in 25 days

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