During a football match in a tournament a goalkeepers save rate was given as 33%. After saving the next shot on target it rose to 40%. How many more shots on target does he need to save to raise his save rate to $60$%?
The answer is 20.
Five
3/9 = .33
4/10 = 40 %
9 /15 = 60 % from 10 to 15 is 5 more shots
