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Popular Word Problems >

Craig is 4 years older than Bob. A year ago Craig was twice as old as Bob. How old is Bob today?

Solução

C r ai g i s 4 ye a rs o l d er t han B o b . A ye a r a g o C r ai g w a s tw i ce a s o l d a s B o b . Ho w o l d i s B o b t o d a y ?

Solução

Bob^{'} s age is : 5

Passos da solução

Translate the problem into an equation:

x - 1 = 2 (x - 4 - 1)

Resolver para

x, x - 1 = 2 (x - 4 - 1) : x = 9

Encontrar Bob's age

: 5

Bob^{'} s age is : 5

Exemplos populares

Denise is now 4 over 5 as old as her sister Deth. Four years ago, she was 3 over 4 as old as her sister. What are their present ages?Maria’s mother is now four times as old as Maria. In five years she will be three times as old as Maria. What are their ages now?Tony is 8 years older than Kyle. The sum of their ages was 32 three years ago. What is Kyle's current age?Fred is 4 years older than Barney. Five years ago, the sum of their ages was 48.Kristen is 17 years old. She is 3 years older than half the age of Dorinda. How old is Dorinda?