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Populaire >

The sum of two numbers is 100 . One number is 4 times as large as the other. What are the numbers?

Solution

The sum of two numbers is 100 . One number is 4 times as large as the other. What are the numbers?

Solution

The numbers : 80, 20

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 100

x = 4 y

x + y = 100, x = 4 y : x = 80, y = 20

The numbers : 80, 20

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