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人気のある Word Problems >

Question One number is eight less than three times another number. If the sum of the numbers is 20 , find the numbers.

解

Q u es t i o n O n e n u mb er i s e i g h t l ess t han t h ree t im es an o t h er n u mb er . I f t h e s u m o f t h e n u mb ers i s 20, f in d t h e n u mb ers .

解

The numbers : 13, 7

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 3 y - 8

x + y = 20

x = 3 y - 8, x + y = 20 : x = 13, y = 7

The numbers : 13, 7

人気の例

2times the sum of 1 and some number is 0 The sum of the ages of John and Mary is 32. Four years ago, John was twice as old as Mary. Find the present age of each.eight less than the product of 5 and a number is 6.nine more than the product of a number and 8 equals 5 The 差 of three times a number and 4 is-19