ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある Word Problems >

Seven times a number is 30 greater than the sum of twice the number and 5 . What is the number?

解

S e v e n t im es a n u mb er i s 30 g re a t er t han t h e s u m o f tw i ce t h e n u mb er an d 5 . Wha t i s t h e n u mb er ?

解

The number : 7

解答ステップ

Represent the number with

x

A.T.Q.:

7 x = 30 + (2 x + 5)

x

を解く

7 x = 30 + (2 x + 5) : x = 7

The number : 7

人気の例

Andrew invested 3,100 in an account paying an interest rate of 2.1% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 16 years?The sum of two numbers is 17 and their 差 is 3 . Find the numbers.Tracy opened a savings account 10 years ago. The account earns 7% interest, compounded annually. If the current balance is 800.00, how much did she deposit initially?Find the area of a 円 with a radius of 4m car travels at an 平均 speed of 48 miles per hour. How long does it take to travel 264 miles?