ar

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

شائع Word Problems >

The sum of two numbers is 65 and their difference is 9. What are the two numbers?

الحلّ

T h e s u m o f tw o n u mb ers i s 65 an d t h e i r d i ff ere n ce i s 9. Wha t a re t h e tw o n u mb ers ?

الحلّ

The numbers : 37, 28

خطوات الحلّ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 65

x - y = 9

x + y = 65, x - y = 9 : x = 37, y = 28

The numbers : 37, 28

أمثلة شائعة

Find the diameter of a circle with a circumference of 25.12in. Use 3.14 for pi A merchant market up a radio 25% over his cost and then sold it for \$60 . What is his cost for the ratio?Ernesto has 20 in an account. The interest rate is 10% compounded annually.To the nearest cent, how much interest will he earn in 1 year?The diameter of a circle is 4 meters. What is the circumference?An initial investment of 480 is appreciated for 9 years in an account that earns 7% interest, compounded quarterly. Find the amount of money in the account at the end of the period.