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인기 있는 Word Problems >

The sum of two number is 61. If the larger number is seven less than three times the smaller number, find both numbers

해법

T h e s u m o f tw o n u mb er i s 61. I f t h e l a r g er n u mb er i s se v e n l ess t han t h ree t im es t h e s ma ll er n u mb er, f in d b o t h n u mb ers

해법

The numbers : 44, 17

솔루션 단계

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 61

x = 3 y - 7

x + y = 61, x = 3 y - 7 : x = 44, y = 17

The numbers : 44, 17

인기 있는 예

The radius of a 원형 is 10 m. Find its area to the nearest whole number.two times the sum of a number and 7 is 3 A rectangular goat pen is 10 meters long and 7 meters wide. What is its 지역?a woman is three times as old as her daughter. six years ago, the sum of their ages was 36. find the age of the daughter Trudy deposited 8,307 in an account earning 1% interest compounded annually.To the nearest cent, how much will she have in 2 years?