the ages of A and B are in ratio 3 is to 5.eight years hence their ages will be in ratio 5 is to 7 find their present age
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Let age of A =x
age of B =y
x/y=3/5
5x=3y
x=3y/5............(1)
x+8/y+8=5/7
7x +56=5y+40
5y-7x=16.............(2)
Substitute (1) in (2) to get y value
Then substitute y value in (1) to get x value
age of B =y
x/y=3/5
5x=3y
x=3y/5............(1)
x+8/y+8=5/7
7x +56=5y+40
5y-7x=16.............(2)
Substitute (1) in (2) to get y value
Then substitute y value in (1) to get x value
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