ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

Today a man is five times as old as his son. In 6 years’ time he will be 3 times as old as his son. How old is the man today?

Решение

T o d a y a man i s f i v e t im es a s o l d a s hi s so n . I n 6 ye a rs ’ t im e h e w i ll b e 3 t im es a s o l d a s hi s so n . Ho w o l d i s t h e man t o d a y ?

Решение

Man^{'} s age is : 30

Шаги решения

Translate the problem into an equation:

5 x + 6 = 3 (x + 6)

Решите для

x, 5 x + 6 = 3 (x + 6) : x = 6

Найдите Man's age

: 30

Man^{'} s age is : 30

Популярные примеры

AJ is 6 years younger than his sister Ella. Five years ago, the sum of their ages is 50 . How old are they 7 years from now?Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher. How old is Christopher?Elli's age is in 10 years will be the same as Peggy's age now. Five years from now, Peggy's age will be twice Elli's age. What are their present ages?Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.How old is Kevin now?Grace is 16 years old.Mark is 5 years more than twice Grace’s age.How old is Mark?