pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

the sum of two numbers is 21. twice the smaller number is three more than the larger number

Solução

t h e s u m o f tw o n u mb ers i s 21. tw i ce t h e s ma ll er n u mb er i s t h ree m ore t han t h e l a r g er n u mb er

Solução

The numbers : 8, 13

Passos da solução

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 21

2 x = 3 + y

x + y = 21, 2 x = 3 + y : x = 8, y = 13

The numbers : 8, 13

Exemplos populares

the circunferência of a circle is 19pi cm. what is the area in square centimeters in terms of pi Sam bought a suit on sale for 237.60 . This price was 67% less than the original price. What was the original price?The diameter of a circle is 5 ft. Find the circunferência to the nearest tenth.Find the final amount of money in an account if \$4000 is deposited at %7 interest compounded quarterly and the money is left for 7 years.Solve for n 0.5% of what number is 12 ?