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人気のある Word Problems >

the sum of 5 consecutive even numbers is 200. What is the fifth number in this sequence?

解

t h e s u m o f 5 co n sec u t i v e e v e n n u mb ers i s 200. Wha t i s t h e f i f t h n u mb er in t hi s se q u e n ce ?

解

The number : 44

解答ステップ

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 = 200

解く

x + x + 2 + x + 4 + x + 6 + x + 8 = 200 : x = 36

x + 2 = 36 + 2 = 38

x + 4 = 36 + 4 = 40

x + 6 = 36 + 6 = 42

x + 8 = 36 + 8 = 44

The number : 44

人気の例

Molly opened a savings account and deposited 800.00 as principal. The account earns 15% interest, compounded annually. How much interest will she earn after 2 years??Child Left Behind Practic 20% of what number is 48 TUT Carter invested 16,000 in an account paying an interest rate of 5.6% compounded monthly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 29,600?4 divided by the 差 of 7 and a number Quinn opened a savings account and deposited 800.00 as principal. The account earns 12% interest, compounded quarterly. What is the balance after 8 years?