During a football/soccer match, a goalkeepers save rate was 33 1/3%. .After saving the next shot, it rose to 40%. How many more consecutive shots on target must be saved to raise the save rate to 60%?
+33652 "During a football/soccer match, a goalkeepers save rate was 33 1/3%. .After saving the next shot, it rose to 40%. How many more consecutive shots on target must be saved to raise the save rate to 60%?"
from 3 out of 9 to 4 out of 10 to 9 out of 15 five more in a row
x = saves y = attempts
.33333y = x and .4(y+1) = x+1 which is x = .4y-.6 sub this into the forst equation
.33333y = .4y-.6
results in y = 9 so x = 6 add 1 attempt and 1 save to get 4 out of 10
then add 5 more to get 9 out of 15 = 60 %
