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人気のある Word Problems >

Two numbers differ by 4. The product of the two numbers is 221. What are the numbers?

解

Tw o n u mb ers d i ff er b y 4. T h e p ro d u c t o f t h e tw o n u mb ers i s 221. Wha t a re t h e n u mb ers ?

解

The numbers : 17, 13 or - 13, - 17

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 4

x y = 221

x - y = 4, x y = 221 : (x = 17, y = 13 x = - 13, y = - 17)

The numbers : 17, 13 or - 13, - 17

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