SOLUTION: A and B agreed to do a job for rs 360.they can complete the job in 12 days but with the help of C they complete in 9 days.what is A share if B alone can complete the entire job in

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Question 1035944: A and B agreed to do a job for rs 360.they can complete the job in 12 days but with the help of C they complete in 9 days.what is A share if B alone can complete the entire job in 18 days
Found 2 solutions by ankor@dixie-net.com, MathTherapy:
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
A and B agreed to do a job for rs 360.
they can complete the job in 12 days but with the help of C they complete in 9 days.
what is A share if B alone can complete the entire job in 18 days
:
let a = no. of days for A to do the job alone
let the completed job = 1
:
Find a
+ = 1
multiply equation by 18a, cancel the denominators and you have:
18(12) + 12a = 18a
216 = 18a - 12a
216 = 6a
a = 216/6
a = 36 days A working alone
From this we can see that A does 1/3 of the job and B does 2/3
12/36 = 1/3, therefore
* 360 = $120 is A's share of the payment for the job



Answer by MathTherapy(10809)   (Show Source): You can put this solution on YOUR website!

A and B agreed to do a job for rs 360.they can complete the job in 12 days but with the help of C they complete in 9 days.what is A share if B alone can complete the entire job in 18 days
At a daily rate of , fraction of work done by A in 9 days: , or 

At a daily rate of , fraction of work done by B in 9 days: , or 

At a daily rate of , fraction of work done by C in 9 days: , or 



A’s share of Rs 360:  

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