ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある Word Problems >

The sum of three numbers is 120 . The first number is 5 less than the third. The second number is 3 times the third. What are the numbers?

解

T h e s u m o f t h ree n u mb ers i s 120 . T h e f i rs t n u mb er i s 5 l ess t han t h e t hi r d . T h e seco n d n u mb er i s 3 t im es t h e t hi r d . Wha t a re t h e n u mb ers ?

解

The numbers : 20, 75, 25

解答ステップ

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 120

x = z - 5

y = 3 z

x + y + z = 120, x = z - 5, y = 3 z : x = 20, y = 75, z = 25

The numbers : 20, 75, 25

人気の例

If a mercedes travels at the rate of 50 miles per hour, how long would it take to go 300 miles ?The sum of two numbers is 46. The larger number is 20 more than the smaller number. What are the numbers?The larger of two numbers is two more than five times the smaller number. If the sum of the two numbers is 80, find the smaller of the numbers.One number is 3 less than another number. If the sum of the two number is 177, find each number.the bus traveling at a constant speed travels 14 miles in 20 minutes at what speed is the bus driving