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Popolare >

Mary is 2 years older than Ed, and 3 years ago Mary was twice as old as Ed. Find their persent ages.

Soluzione

Mary is 2 years older than Ed, and 3 years ago Mary was twice as old as Ed. Find their persent ages.

Soluzione

Mary^{'} s age is : 7

Ed^{'} s age is : 5

Fasi della soluzione

Translate the problem into an equation:

x - 3 = 2 (x - 2 - 3)

Risolvi per

x, x - 3 = 2 (x - 2 - 3) : x = 7

Trova age

Mary^{'} s age is : 7

Ed^{'} s age is : 5

Esempi popolari

Lucy is three times as old as Alex. Lucy is 7 years older than Megan. The sum of their ages is 126 Bob's age is twice that of Barry's. Six years ago, Bob was three times older than Barry. Find the age of both.Ashley's age is 5 years younger than 3 times her cousin's age. Ashley is 31 years old.five years ago i was 5 times older than my son. in 8 years time i will be 3 times older than my son. how old am i today John is 5 years older than ellen, and 3 years ago the sum of their ages was 17. how old is John?