fr

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Populaire Word Problems >

Neville is three times as old as Luna. Three years ago, Neville was four times as old as Luna. The sum of their ages is?

Solution

N e v i ll e i s t h ree t im es a s o l d a s Lu na . T h ree ye a rs a g o, N e v i ll e w a s f o u r t im es a s o l d a s Lu na . T h e s u m o f t h e i r a g es i s ?

Solution

the sum of their ages : 36

étapes des solutions

Translate the problem into an equation:

3 x - 3 = 4 (x - 3)

Solutionner pour

x, 3 x - 3 = 4 (x - 3) : x = 9

Trouver the sum of their ages :

36

the sum of their ages : 36

Exemples populaires

Laura is investing 27,000 in an account paying 7.25% interest compounded daily.What will Laura's account balance be in 14 years?Jenny is 10 years older than steve . Five years ago, jenny was four times older than steve then. How old are jenny and steve now?Juan is twice Jose's age now. In 5years he will be 1 1/2 times older than Jose. How old are they now?the sum of three consecutive even integers is 228. find the three integers Two men who are traveling in opposite directions at the rate of 18 and 22 mph respectively started at the same time at the same place. In how many hours will they be 250 apart