it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

The sum of 5 consecutive odd numbers is 145.What is the third number in this sequence?

Soluzione

T h e s u m o f 5 co n sec u t i v e o dd n u mb ers i s 145. Wha t i s t h e t hi r d n u mb er in t hi s se q u e n ce ?

Soluzione

The number : 29

Fasi della soluzione

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

Consecutive number 3 : x + 6

Consecutive number 4 : x + 8

A.T.Q.:

x + x + 2 + x + 4 + x + 6 + x + 8 = 145

Risolvi

x + x + 2 + x + 4 + x + 6 + x + 8 = 145 : x = 25

x + 2 = 25 + 2 = 27

x + 4 = 25 + 4 = 29

x + 6 = 25 + 6 = 31

x + 8 = 25 + 8 = 33

The number : 29

Esempi popolari

When you buy a certificate of deposit (CD), you are investing your money in an account that earns interest for a specific period of time. A CD matures when it has been invested for the required amount of time.Assume that you have 3000 to invest in a 4-year CD with an APR of 3% compounded daily. When the CD matures, how much interest will you have earned? Round your result to the nearest cent.90 is 15% of what number john had 2 apple. He got 2 more. How many does John have now?The penguin population at the zoo has decreased by 10% over the past year. Last year there were 58 penguins. How many penguins are there now?What is the radius of a cerchio with an area of:28.26 square feet?