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인기 있는 Word Problems >

An integer is 13 more than 3 times another. If the product of the two integers is-14 , then find the integers. The two integers are and don't know

해법

A n in t e g er i s 13 m ore t han 3 t im es an o t h er . I f t h e p ro d u c t o f t h e tw o in t e g ers i s - 14, t h e n f in d t h e in t e g ers . T h e tw o in t e g ers a re an d d o n^{'} t kn o w

해법

The numbers : 7, - 2 or 6, - 2 \frac{1}{3}

솔루션 단계

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 13 + 3 y

x y = - 14

x = 13 + 3 y, x y = - 14 : (x = 7, y = - 2 x = 6, y = - \frac{7}{3})

부적절한 분수를 혼합 숫자로 변환:

\frac{7}{3} = 2 \frac{1}{3}

The numbers : 7, - 2 or 6, - 2 \frac{1}{3}

인기 있는 예

The product of 2 and the cube of a number 30% of what number is 54 the total of twice a number and 16 is at least 22 angie is five years more than thrice xhie's age. vjie is 5 years more than xhie. in 5 years angie is twice as old as vjie. how old are they?The sum of three consecutive numbers is 3333. Find the numbers.