age of A and B are in the ratio 5 ratio 7 four year later the sum of their age will be 56 years what are their present age
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let A present age=5x and B present age=7x
so,
(5x-4)+(7x-4)=56
12x-8=56
x=64/12
x=16/3
x=5.33
A present age= 5x=5×5.33=26.63
B present age= 7x= 7×5.33= 37.31
so,
(5x-4)+(7x-4)=56
12x-8=56
x=64/12
x=16/3
x=5.33
A present age= 5x=5×5.33=26.63
B present age= 7x= 7×5.33= 37.31
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