Let the present age of B and A be x and ( x + 9 ) years; then,
Age of B and A after 10 years will be x + 10 and x + 9 + 10;
According to question,
In 10 years A will be twice as old as B was 10 years ago
2(x - 10) = x + 9 + 10
2x - 20 = x + 19
тЗТ 2x - x = 19 + 20
тИ┤ x = 39 years
Answered :- 2023-09-07 09:12:33
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