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 greater of two numbers is 15 more than the lesser number. Five times the greater number is 40 more than twelve times the lesser number. Find the numbers.

解答

T h e g re a t er o f tw o n u mb ers i s 15 m ore t han t h e l esser n u mb er . F i v e t im es t h e g re a t er n u mb er i s 40 m ore t han tw e l v e t im es t h e l esser n u mb er . F in d t h e n u mb ers .

解答

The numbers : 20, 5

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 15 + y

5 x = 40 + 12 y

x = 15 + y, 5 x = 40 + 12 y : x = 20, y = 5

The numbers : 20, 5

流行的例子

A cricket bat is bought for \$350. Later, it is sold with a loss of 15%. How much is the cricket bat sold for? After selling the cricket bat, how much money has been lost?Shawn is 5 years old. His mother is 32 years old. In how many years' time will his mother be 4 times as old as Shawn?A bank offers an investment account with an annual interest rate of 1.17% compounded daily. Kaitlin invests \$4200 into the account for 2 years. Assuming no withdrawals are made, how much money is in Kaitlin's account after 2 years?marc is five times as old as martha. four years ago, the sum of their ages was 50. how old are they now?A boy is 6 years older than his sister. In three years, he will be twice her age. what are their present ages?