fr

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Populaire Word Problems >

This week, Brendan ended up needing 9 gallons of gas. That is 10% less than he needed last week. How much gas did Brendan need last week?

Solution

T hi s w ee k, B re n d an e n d e d u p n ee d in g 9 g a ll o n s o f g a s . T ha t i s 10% l ess t han h e n ee d e d l a s t w ee k . Ho w m u c h g a s d i d B re n d an n ee d l a s t w ee k ?

Solution

Amount before reduction : 10

étapes des solutions

Translate the problem into an equation:

9 = x - 0.1 x

9 = x - 0.1 x : x = 10

Amount before reduction : 10

Exemples populaires

What is the result when the number 20 is decreased by 10%If a fair die is rolled 6 times, what is the probability, to the nearest thousandth, of getting exactly 1 four?Four more than the quotient of a number and three is at least nine.The sum of 4 consecutive odd numbers is 36 .11 less than three times a number is the same as 75 less than the product of-1 and the number