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Popular Word Problems >

One number is 9 more than another number. Twice the sum of the two numbers is 10. Let x and y be the 2 numbers

Solução

O n e n u mb er i s 9 m ore t han an o t h er n u mb er . Tw i ce t h e s u m o f t h e tw o n u mb ers i s 10. L e t x an d y b e t h e 2 n u mb ers

Solução

The numbers : 7, - 2

Passos da solução

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 9 + y

2 (x + y) = 10

x = 9 + y, 2 (x + y) = 10 : x = 7, y = - 2

The numbers : 7, - 2

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