it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

Jonathan is now three times as old as his son.twelve years ago he was six times as old as his son. Find the present ages of each

Soluzione

J o na t han i s n o w t h ree t im es a s o l d a s hi s so n . tw e l v e ye a rs a g o h e w a s s i x t im es a s o l d a s hi s so n . F in d t h e p rese n t a g es o f e a c h

Soluzione

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

Fasi della soluzione

Translate the problem into an equation:

3 x - 12 = 6 (x - 12)

Risolvi per

x, 3 x - 12 = 6 (x - 12) : x = 20

Trova age

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

Esempi popolari

Jonathan is now three times as old as his son is. Twelve years ago he was six times as old as his son was. Find the present ages.Melanie walked for 2.5 hours at a speed of 3.2 miles per hour. How far did Melanie walk?What is the speed of a car that is traveling 100 km in 3 hours?A boat traveled at a constant speed for 5 hours, covering a total distanza of 384 kilometers. How fast was it going?A family drives 4 1/2 miles in 1/10 of an hour. What is their rate of speed in miles per hour?