en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

the sum of two numbers is 38. the larger of number is 7 less than twice the smaller number. find the numbers.

Solution

the sum of two numbers is 38. the larger of number is 7 less than twice the smaller number. find the numbers.

Solution

The numbers : 20 + 331, 18 - 331 or 20 - 331, 18 + 331

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 38

x y = 2 y - 7

x + y = 38, x y = 2 y - 7 : (x = 20 + 331, y = 18 - 331 x = 20 - 331, y = 18 + 331)

The numbers : 20 + 331, 18 - 331 or 20 - 331, 18 + 331

Popular Examples

1. The sum of three consecutive numbers is 112. Find the numbers.Kelly opened a savings account and deposited 600.00. The account earns 8% interest, compounded annually. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?fraction numerator x over denominator negative 7 end fraction greater than 9.In five years time a father will be three times as old as his son. Four years ago, the father was six times as old as his son. Find their present ages.Aubrey opened a savings account and deposited 300.00. The account earns 14% interest, compounded continuously. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?