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Популярное Word Problems >

Kendall is 11 years older than her brother. In 8 years she will be twice as old as him.How old are they now?

Решение

Ke n d a ll i s 11 ye a rs o l d er t han h er b ro t h er . I n 8 ye a rs s h e w i ll b e tw i ce a s o l d a s him . Ho w o l d a re t h ey n o w ?

Решение

Kendall^{'} s age is : 14

Brother^{'} s age is : 3

Шаги решения

Translate the problem into an equation:

x + 8 = 2 (x - 11 + 8)

Решите для

x, x + 8 = 2 (x - 11 + 8) : x = 14

Найдите age

Kendall^{'} s age is : 14

Brother^{'} s age is : 3

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