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Popolare Word Problems >

Pat is 20 years older than his son James. In two years, Pat will be twice as old as James.

Soluzione

P a t i s 20 ye a rs o l d er t han hi s so n J am es . I n tw o ye a rs, P a t w i ll b e tw i ce a s o l d a s J am es .

Soluzione

Pat^{'} s age is : 38

James^{'} s age is : 18

Fasi della soluzione

Translate the problem into an equation:

x + 2 = 2 (x - 20 + 2)

Risolvi per

x, x + 2 = 2 (x - 20 + 2) : x = 38

Trova age

Pat^{'} s age is : 38

James^{'} s age is : 18

Esempi popolari

Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy.John is four times as old as Martha. Five years ago, the sum of their ages was 50.Tim is 5 years older than JoAnn. Six years from now, the sum of their ages will be 79.Jack is twice as old as Lacy. In three years, the sum of their ages will be 54.Monica is 4 years older than Tom. The sum of their ages is 40. How old is Monica?