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kara is 5 years older than her her brother ben. if the sum of their ages is 21 how old is ben?

Solution

kara is 5 years older than her her brother ben. if the sum of their ages is 21 how old is ben?

Solution

Ben^{'} s age is : 8

Solution steps

Translate the problem into an equation:

x + x - 5 = 21

Solve for

x, x + x - 5 = 21 : x = 13

Find Ben's age

: 8

Ben^{'} s age is : 8

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