he

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

פּוֹפּוּלָרִי Word Problems >

Robert’s father is 4 times as old as Robert. After 5 years, father will be three times as old as Robert. Find their present ages.

פתרון

R o b er t ’ s f a t h er i s 4 t im es a s o l d a s R o b er t . A f t er 5 ye a rs, f a t h er w i ll b e t h ree t im es a s o l d a s R o b er t . F in d t h e i r p rese n t a g es .

פתרון

Robert^{'} s age is : 10

Father^{'} s age is : 40

צעדי פתרון

Translate the problem into an equation:

4 x + 5 = 3 (x + 5)

4 x + 5 = 3 (x + 5), x

פתור בשביל:

x = 10

age מצא את

Robert^{'} s age is : 10

Father^{'} s age is : 40

דוגמאות פופולריות

I am five years now.my son is half my age.How old is my son Selena is 6 years younger than her friend Taylor, and the sum of their ages is 48. What would betheir ages 4 years from now?13 years from now Steven will be twice as old as Maria. The current sum of the ages of Steven and Maria is 55. How old is Maria right now?Sophie is 6 years older than Simphiwe. In 3 years', time Sophie will be twice as old as Simphiwe. How old is Sophie now?kate is three times as old as her son. if kate is 30 years older than her son what are their ages