math

case percent_correct
	when 100..100
		puts"You did an amazing job and answered all questions correctly!!! You are THE BEST!!!"
	when 80..99
		puts "You did a great job, keep up the good work!"
	when 50..79
		puts "You did a good job, but you should try and improve your multiplication skills."
	else 
		puts "You did not do very well...You should study your multiplication table more and try again."
	end