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Popolare Word Problems >

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 their present ages.

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 i s . 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 w a s . f in d t h e i r p rese n t a g es .

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

Martin is 2 years older than Kevin. The sum of their ages is 20. How old is Kevin 10 years from now?An older person is 5 years older than six times the age of a younger person. The sum of their ages is 26. Find their ages.The sum of the ages of Ryan and Miranda is 93 years. 9 years ago, Ryan's age was 4 times Miranda's age. How old is Ryan now?Armando is 38 years old. Jane is 17 years old. How many years ago was Armando's age 4 times Jane's age?Georgia is 7 years younger than 5 times the age of her daughter, Veronica. Veronica will be 14 in 6 years.