it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

When a certain number is double and 8 is subtracted from it, the result is 20 Determine the number.

Soluzione

Wh e n a cer t ain n u mb er i s d o u b l e an d 8 i s s u b t r a c t e d f ro m i t, t h e res u lt i s 20 De t er min e t h e n u mb er .

Soluzione

The number : - 1 \frac{1}{3}

Fasi della soluzione

Represent the number with

x

A.T.Q.:

x - x \cdot 2 \cdot 8 = 20

Risolvi per

x, x - x \cdot 2 \cdot 8 = 20 : x = - \frac{4}{3}

Convertire frazioni improprie in numeri misti:

\frac{4}{3} = 1 \frac{1}{3}

The number : - 1 \frac{1}{3}

Esempi popolari

Alvin's age is two times Elga's age. The sum of their ages is 87. What is Elga's age?:years old The differenza between a number and eighteen is seven Amelia's investment of \3660 earns interest at 2.1% per year compounded monthly over 8 years. What is the amount of interest earned? nearest cent Raymond earned some money doing odd jobs last summer and put it in a savings account that earns 3% interest compounded annually. After 5 years, there is 100.00 in the account. How much did Raymond earn doing odd jobs?Aiden puts 4,131.00 into an account to use for school expenses. The account earns 2% interest, compounded monthly. How much will be in the account after 10 years?