SOLUTION: Ryan scored 16, 22 and 24 points in three basketball games. What is the least number of points he must score in the next game to average at least 20 points per game for the four g

Algebra ->  Average -> SOLUTION: Ryan scored 16, 22 and 24 points in three basketball games. What is the least number of points he must score in the next game to average at least 20 points per game for the four g      Log On


   

Question 241286: Ryan scored 16, 22 and 24 points in three basketball games. What is the least number of points he must score in the next game to average at least 20 points per game for the four games?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(16+22+24+x)/4>=20
(62+x)/4>=20
62+x>=4*20
x>=80-62
x>=18 points are needed in the 4th game to ave. 20 for the 4 games.
Proof:
(16+22+24+18)/4>=20
80/4>=20
20>=20