SOLUTION: Juan scored 4 points higher on his midterm and 32 points higher on his final exam than he did on his first exam. If his mean score was 67, what was his score on the first exam? In

Algebra ->  Human-and-algebraic-language -> SOLUTION: Juan scored 4 points higher on his midterm and 32 points higher on his final exam than he did on his first exam. If his mean score was 67, what was his score on the first exam? In       Log On


   

Question 15927: Juan scored 4 points higher on his midterm and 32 points higher on his final exam than he did on his first exam. If his mean score was 67, what was his score on the first exam? In numbers not units.
Answer by pwac(253) About Me  (Show Source):
You can put this solution on YOUR website!
let first exam =x
second=x+4
third=x+32
%28x%2Bx%2B4%2Bx%2B32%29%2F3=67multiply both sides by 3and add left side
3x+36=201 subtract 36 from both sides
3x=165 divide both sides by 3
x=55
Pete