SOLUTION: Going into the last game of the season, a basketball team had averaged 83.8 points per game. In their last game, they scored 97 points, raising their season average to 84.2 points

Algebra ->  Average -> SOLUTION: Going into the last game of the season, a basketball team had averaged 83.8 points per game. In their last game, they scored 97 points, raising their season average to 84.2 points      Log On


   

Question 283072: Going into the last game of the season, a basketball team had averaged 83.8 points per game. In their last game, they scored 97 points, raising their season average to 84.2 points per game. How many games did they play?
a)27 b) 31 c) 32 d) 33 e) none of these
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(x*83.8+97)/(x+1)=84.2
(x*83.8+97)=84.2(x+1)
x*83.8+97=84.2x+84.2
97-84.2=84.2x-83.8x
12.8=.4x
128x=4x
x=32