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 >

The sum of two numbers is 31. One number is 15 less than the other. Find the numbers.The smaller number is: The larger number is:

解答

T h e s u m o f tw o n u mb ers i s 31. O n e n u mb er i s 15 l ess t han t h e o t h er . F in d t h e n u mb ers . T h e s ma ll er n u mb er i s : T h e l a r g er n u mb er i s :

解答

无解

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 31

x = y - 15

x = y

解方程组:

x + y = 31, x = y - 15, x = y :

无解

无解

流行的例子

Reagan is saving up money to buy a car. Reagan puts 7,000.00 into an account which earns 12% interest, compounded quarterly. How much will she have in the account after 3 years?The product of two consecutive integers is 143.40% of what number is 15?Percent problem One number is 2/2 of another number. The sum of the two numbers is 20. Find the two numbers.24% of what number is 6?