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人気のある Word Problems >

The sum of three consecutive even integers is negative twelve. Find the smaller integer.

解

T h e s u m o f t h ree co n sec u t i v e e v e n in t e g ers i s n e g a t i v e tw e l v e . F in d t h e s ma ll er in t e g er .

解

The smallest number : - 6

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = - 12

解く

x + x + 2 + x + 4 = - 12 : x = - 6

x + 2 = - 6 + 2 = - 4

x + 4 = - 6 + 4 = - 2

Select the smallest solution:

- 6

The smallest number : - 6

人気の例

Two consecutive numbers have a sum of 73. What are the numbers?Grayson earned some money doing odd jobs last summer and put it in a savings account that earns 7% interest compounded quarterly. After 8 years, there is 200.00 in the account. How much did Grayson earn doing odd jobs?75 is 125% of what number the sum of three consecutive even integers is 330 Find the future value and interest earned if 8704.56 is invested for 8 years at 6% compounded semiannually