Is the following situation possible? If so , determine their present ages. The sum of the ages of two friends is 20 yrs. Four years ago, the product of their ages in yrs was 48.....
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let there ages be a and b
a+b=20
(a-4)(b-4)=48
ab-4(a+b)+16=48
ab=48-16+80
ab=112
substitute the value of a from here to first eqn... u will get their ages
a+b=20
(a-4)(b-4)=48
ab-4(a+b)+16=48
ab=48-16+80
ab=112
substitute the value of a from here to first eqn... u will get their ages
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