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人気のある Word Problems >

A positive integer is twice another. The sum of the reciprocals of the two positive integers is 3/14. Find the two integers.

解

A p os i t i v e in t e g er i s tw i ce an o t h er . T h e s u m o f t h e rec i p roc a l s o f t h e tw o p os i t i v e in t e g ers i s 3/14. F in d t h e tw o in t e g ers .

解

The numbers : 14, 7

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 2 y

\frac{1}{x} + \frac{1}{y} = \frac{3}{14}

x = 2 y, \frac{1}{x} + \frac{1}{y} = \frac{3}{14} : x = 14, y = 7

The numbers : 14, 7

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