The present age of a and b are in the ratio 3:4 . ten years ago this ratio was 4:7 . the present ages of a and b is
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Let their present ages 3x and 4x
Then 3x-10/4x-10 = 4/7
7(3x-10) = 4(4x-10)
X= 6
Then their present ages 3*6= 18 yrs and 4*6 = 24 yrs
Then 3x-10/4x-10 = 4/7
7(3x-10) = 4(4x-10)
X= 6
Then their present ages 3*6= 18 yrs and 4*6 = 24 yrs
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