en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

the difference of two numbers is 18 and their sum is 90 find the two numbers

Solution

t h e d i ff ere n ce o f tw o n u mb ers i s 18 an d t h e i r s u m i s 90 f in d t h e tw o n u mb ers

Solution

The numbers : 54, 36

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 18

x + y = 90

x - y = 18, x + y = 90 : x = 54, y = 36

The numbers : 54, 36

Popular Examples

three times the sum of a number and 5 is equal to 6 8 more than a number x is 13 Father's age is 7 times as old as his son. Two years ago; father was 13 times as old as his son. What are their present ages ?A cyclist travels at an average speed of 15 km per hour for 3 hours. How far has the cyclist traveled?Ben is 39 and Kevin is 3. How many years until Ben is 4 times as old as Kevin