ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

The sum of two numbers is 90 . Three times the larger number decreased by twice the number is 160 . Find the numbers.

Решение

T h e s u m o f tw o n u mb ers i s 90 . T h ree t im es t h e l a r g er n u mb er d ecre a se d b y tw i ce t h e n u mb er i s 160 . F in d t h e n u mb ers .

Решение

The numbers : 68, 22

Шаги решения

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 90

3 x - 2 y = 160

x + y = 90, 3 x - 2 y = 160 : x = 68, y = 22

The numbers : 68, 22

Популярные примеры

Sandy is four times as old as her friend, Peter. In 16 years time Sandy will be twice as old as Peter.What are there present ages The sum of three consecutive integers is-126 What is the integers 8факторизация the number Patrick deposited 8,000.00 into a new savings account that earns interest compounded quarterly. After 7 years, the balance in the account was 15,300.00. What was the interest rate on the account?Round your answer to the nearest tenth of a percent.There are 5 consecutive integers with a sum of-470. What is the value of the least integer?