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인기 있는 Word Problems >

The sum of two numbers is 31. Half the larger number increased by four is same as the smaller number. Find the numbers.

해법

T h e s u m o f tw o n u mb ers i s 31. H a l f t h e l a r g er n u mb er in cre a se d b y f o u r i s s am e a s t h e s ma ll er n u mb er . F in d t h e n u mb ers .

해법

The numbers : 18, 13

솔루션 단계

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 31

\frac{1}{2} x + 4 = y

x + y = 31, \frac{1}{2} x + 4 = y : x = 18, y = 13

The numbers : 18, 13

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