pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

A father is currently 21 years older than his son. In 8 years he will be twice as old as his son. What are their present ages?

Solução

A f a t h er i s c u rre n tl y 21 ye a rs o l d er t han hi s so n . I n 8 ye a rs h e w i ll b e tw i ce a s o l d a s hi s so n . Wha t a re t h e i r p rese n t a g es ?

Solução

Father^{'} s age is : 34

Boy^{'} s age is : 13

Passos da solução

Translate the problem into an equation:

x + 8 = 2 (x - 21 + 8)

Resolver para

x, x + 8 = 2 (x - 21 + 8) : x = 34

Encontrar age

Father^{'} s age is : 34

Boy^{'} s age is : 13

Exemplos populares

Franklin opened a savings account and deposited 500.00 as principal. The account earns 8% interest, compounded quarterly. What is the balance after 3 years?the difference of a number and 4 is no more than 8 Find two consecutive whole numbers that sqrt(31) lies between.702 is 10% of what number add the numbers 14 and 18 in the ternary number system