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Populaire Word Problems >

The sum of two numbers is 25. Their différence is 7. Find the two numbers.

Solution

T h e s u m o f tw o n u mb ers i s 25. T h e i r d i ff ere n ce i s 7. F in d t h e tw o n u mb ers .

Solution

The numbers : 16, 9

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 25

x - y = 7

x + y = 25, x - y = 7 : x = 16, y = 9

The numbers : 16, 9

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