en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

The difference of two numbers is 15. Five times the smaller is the same as 9 less than twice the larger. What is the smaller number?

Solution

The difference of two numbers is 15. Five times the smaller is the same as 9 less than twice the larger. What is the smaller number?

Solution

The number : 7

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 15

5 y = 2 x - 9

x - y = 15, 5 y = 2 x - 9 : x = 22, y = 7

The number : 7

Popular Examples

six times the sum of a number and 9 equals 2 The sum of three consecutive integers is-384. What are the integers?Carson invested 3,900 in an account paying an interest rate of 2.1% compounded monthly. Assuming no deposits or withdrawals are made, how much money, to the nearest ten dollars, would be in the account after 14 years?4400 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?Luther opened a savings account and deposited 200.00. The account earns 13% interest, compounded continuously. If he wants to use the money to buy a new bicycle in 1 year, how much will he be able to spend on the bike?