Question

Hello Friends


Please answer my question

Answer in book:6 hours

Solve using algebra

NO SPAM

Answer 1

heya

Now

1/3= 1/10+1/15+1/x

1/3= 25/150+x

1/3=1/6+1/x

1/x= 1/3-1/6

1/x= 1/6

hence x=6hrs.

solved

thanku...lovelove

Answer 2

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1/3= 1/10+1/15+1/x

1/3= 25/150+x

1/3=1/6+1/x

1/x= 1/3-1/6

1/x= 1/6

hence x=6hrs.

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