de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Word Problems >

John is three times as old as his son Jack. The sum of their ages is 48. Calculate how old John is.

Lösung

J o hn i s t h ree t im es a s o l d a s hi s so n J a c k . T h e s u m o f t h e i r a g es i s 48. C a l c u l a t e h o w o l d J o hn i s .

Lösung

John^{'} s age is : 36

Schritte zur Lösung

Translate the problem into an equation:

3 x + x = 48

Löse nach

x, 3 x + x = 48 : x = 12

Finde John's age

: 36

John^{'} s age is : 36

Beliebte Beispiele

A sphere has a radius of 6 inches.What is the volume of the sphere in terms of pi? V = pi in.3 six more than two times a number is equal to six less than six times the number.The sum of 3 times a number and twice the same number is less than 45.Find the compound amount and the amount of interest earned by the deposit below.\7, 000 at 6.89% compounded continuously for 8 years. What is the compound amount?A triangle has an fläche of 29.25 square meters and a height of 6.5 meters. What is the length of the base?