en

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 15. Twice the large number plus 4 times the smaller number is 24. Find the large number.

Solution

T h e s u m o f tw o n u mb ers i s 15. Tw i ce t h e l a r g e n u mb er pl u s 4 t im es t h e s ma ll er n u mb er i s 24. F in d t h e l a r g e n u mb er .

Solution

The number : 18

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 15

2 y + 4 x = 24

x + y = 15, 2 y + 4 x = 24 : x = - 3, y = 18

The number : 18

Popular Examples

5.715 to exact number six more than the quotient of a number and 9 equal 2 Roberta invested a principal amount of 3114.00 with a rate of 4% that compounds continuously.It has been accruing interest for 22 years.What total value does Roberta now have?The radius of a circle is 3 ft. Find its circumference in terms of pipi.Show Examples4400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 29 years, to the nearest cent?