zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 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

解答

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 \frac{3}{14} f in d t h e tw o in t e g ers

解答

The numbers : 14, 7

求解步骤

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

流行的例子

Three more than seven times a number is nine more than five times the number The initial population of a small town was 2.53 thousand. The population grows at a rate of 2.15% each year. After how many years will the population have doubled?There are two mystery numbers. The sum of 10 times the first number and 6 times the second number is 16. The sum of 3 times the first number and 2 times the second number is 5. What are the two numbers?The sum of three consecutive numbers is 72. What are the smallest of these numbers?Cole and Krysta deposit 700.00 into a savings account which earns 9% interest compounded quarterly. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?