Nick is three years young than Sam. The sum of their ages is 33. How old are they?
1 Answer
Apr 14, 2018
Sam: 18
NIck: 15
Explanation:
Let Nick's age be x and let Sam's age be y.
Translate the sentence into 2 equations to get a system of equations:
There are several ways to solve a system of linear equations. "Substitution" is one of those methods:
Since