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 three numbers is 63. The third number is 2 times the first. The first number is 5 more than the second. What are the numbers?

Solution

t h e s u m o f t h ree n u mb ers i s 63. T h e t hi r d n u mb er i s 2 t im es t h e f i rs t . T h e f i rs t n u mb er i s 5 m ore t han t h e seco n d . Wha t a re t h e n u mb ers ?

Solution

The numbers : 17, 12, 34

Solution steps

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 63

z = 2 x

x = 5 + y

x + y + z = 63, z = 2 x, x = 5 + y : x = 17, y = 12, z = 34

The numbers : 17, 12, 34

Popular Examples

The diameter of a circle is 4 m. Find its area in terms of pipi.36 is 60% of what number?71 decreased by Victor's age is 10 .Amir puts £3800 into an bank account.The account pays 2.75% simple interest each year.Work out how much interest Amir will get after 18 years.The sum of three consecutive even integers is 120. Find the integers.