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Популярный >

Jonathan is now three times as old as his son.twelve years ago he was six times as old as his son. Find the present ages of each

Решение

Jonathan is now three times as old as his son.twelve years ago he was six times as old as his son. Find the present ages of each

Решение

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

Шаги решения

Translate the problem into an equation:

3 x - 12 = 6 (x - 12)

Решите для

x, 3 x - 12 = 6 (x - 12) : x = 20

Найдите age

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

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