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Phổ biến Word Problems >

The sum of two numbers is 12. Twice the smaller number is three greater than the larger number. What are the numbers?

Lời Giải

T h e s u m o f tw o n u mb ers i s 12. Tw i ce t h e s ma ll er n u mb er i s t h ree g re a t er t han t h e l a r g er n u mb er . Wha t a re t h e n u mb ers ?

Lời Giải

The numbers : 5, 7

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 12

2 x = 3 + y

x + y = 12, 2 x = 3 + y : x = 5, y = 7

The numbers : 5, 7

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