A 's age after 6 years willbe 3/7 of b's age. ten years ago, the ratio of their ages was 1:5 . What is present age of b?
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(A+6)=3/7(B+6) - CROSS MULTIPLICATION
7A-3B= -24 -----------1
(A-10)/(B-10)=1/5 - CROSS MULTIPLICATION
5A-B=40 -------------- 2
From SOLVING 1 and 2
8A=144
A=18
B= 50
7A-3B= -24 -----------1
(A-10)/(B-10)=1/5 - CROSS MULTIPLICATION
5A-B=40 -------------- 2
From SOLVING 1 and 2
8A=144
A=18
B= 50
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