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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?

Solution

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 ?

Solution

Bob^{'} s age is : 5

Solution steps

Translate the problem into an equation:

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

Solve for

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

Find Bob's age

: 5

Bob^{'} s age is : 5

Popular Examples

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