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Популярное Word Problems >

a mother is 3 times as old as her son, and in 11 years, she will be just twice his age. find their present ages

Решение

a m o t h er i s 3 t im es a s o l d a s h er so n, an d in 11 ye a rs, s h e w i ll b e j u s t tw i ce hi s a g e . f in d t h e i r p rese n t a g es

Решение

Son^{'} s age is : 11

Mother^{'} s age is : 33

Шаги решения

Translate the problem into an equation:

3 x + 11 = 2 (x + 11)

Решите для

x, 3 x + 11 = 2 (x + 11) : x = 11

Найдите age

Son^{'} s age is : 11

Mother^{'} s age is : 33

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