en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Andy is 8 years younger than her brother Tyler. The sum of their ages is 34. Define a variable and then write and solve an equation to find Andy’s and Tyler’s ages.

Solution

A n d y i s 8 ye a rs yo u n g er t han h er b ro t h er T y l er . T h e s u m o f t h e i r a g es i s 34. De f in e a v a r iab l e an d t h e n w r i t e an d so l v e an e q u a t i o n t o f in d A n d y ’ s an d T y l er ’ s a g es .

Solution

Andy^{'} s age is : 13

Tyler^{'} s age is : 21

Solution steps

Translate the problem into an equation:

x + x + 8 = 34

Solve for

x, x + x + 8 = 34 : x = 13

Find age

Andy^{'} s age is : 13

Tyler^{'} s age is : 21

Popular Examples

Jill is 18 years older than Jack. In 8 years, she will be three times his age. How old is Jack?Amy is 23 years older than Taylor. In 6 years, Amy will be twice as old as Taylor. How old are they now?the difference of twice a number and 2 is most at-27.One number is 18 less than another, and the sum of two numbers is four. Find the numbers.The sum of two numbers is 35 . The first number minus twice the second number is 8 . Find the numbers.