SOLUTION: A college basketball player has made 58 out of 82 attempted free throws this season. How many additional free throws must he make in a row to raise his free throw percentage to 90%

Algebra ->  Probability-and-statistics -> SOLUTION: A college basketball player has made 58 out of 82 attempted free throws this season. How many additional free throws must he make in a row to raise his free throw percentage to 90%      Log On


   



Question 1009392: A college basketball player has made 58 out of 82 attempted free throws this season. How many additional free throws must he make in a row to raise his free throw percentage to 90%?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
x=number he must make in a row
.
58+x=0.90(82+x)
58+x=73.8+0.90x
0.10x=15.8
x=158
ANSWER: He must make 158 in a row to average 90 percent.
.
CHECK:
58+x=0.90(82+x)
58+158=0.90(82+158)
216=0.90(240)
216=216