Answers

  • Brainly User
2015-07-31T21:28:55+05:30
A and b is given as 12.
a =20 
b=?

answer is 20  
if a can do in 20 days.    then b can do in 20 days..


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2015-08-01T14:05:18+05:30
A + B=12
A=20
B=?
substituting;
20 + B=12
B=12-20
B=8 DAYS
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