en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Charles is eight years older than five times Mark’s age. If Charles is 63 years old, how old is Mark?

Solution

C ha r l es i s e i g h t ye a rs o l d er t han f i v e t im es M a r k ’ s a g e . I f C ha r l es i s 63 ye a rs o l d, h o w o l d i s M a r k ?

Solution

Mark^{'} s age is : 11

Solution steps

Translate the problem into an equation:

5 x = 63 - 8

Solve for

x, 5 x = 63 - 8 : x = 11

Mark^{'} s age is : 11

Popular Examples

A father is three times as old as his son. How old is each if the sum of their age is 60 A Father is twice as old as his son. Twelve years ago the father was four times as old as the son was then. Determine their present ages.Your dog is 10 years younger than your friend. In 4 years, your friend will be three times as old as your dog. How old is your dog now?Gerald is four more than twice the age of Tom. Tom is 49 years old. How old is Gerald?Alex is three times older than his brother now. In two years, he will be two times older than his brother. How old is his brother now?