The sum of the present ages (in years) of a father and a son is 110. Ten years ago, the product of their ages (in years)
was 1856. Their present ages are to be found.
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Answer:
Step-by-step explanation:
let be the present ages be x,y
x+y=110
ten years ago ages be x-10,y-10
(x-10).(y-10)=xy-10x-10y+100=1856
xy-10(x+y)+100=1856
xy-1100+100=1856
xy=2856
x=110-y
(110-y).y=2856
110y-y^2=2856
by solving you get 62,48 are ages
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