SOLUTION: a boy is 5 years older than his sister. write a variable

Question 358886: a boy is 5 years older than his sister. write a variable

Found 2 solutions by neatmath, guitarheroguy:
Answer by neatmath(302) (Show Source): You can put this solution on YOUR website!
Let b be the boy's age.

Let s be his sister's age.

or alternatively

The two equations are equivalent.

In both cases, you can easily see that the sister needs to add 5 years to equal her brother's age.

I hope this helps!

Answer by guitarheroguy(26) (Show Source): You can put this solution on YOUR website!
Let b equal the boy and s equal sister's age
b=5+s
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