the age of sonu and monuments are in the ratio 7:5 ten years hence, the ratio of their ages will be 9:7 find their present ages
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7x+10/5x+10=9/7
49x+70=45x+90
4x=20
x=5
7x=35
5x=25
Therefore their present age is 35 & 25
49x+70=45x+90
4x=20
x=5
7x=35
5x=25
Therefore their present age is 35 & 25
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