SOLUTION: Susan can stamp x letters per minute. How many letters can she stamp in 3 hours?

Question 652992: Susan can stamp x letters per minute. How many letters can she stamp in 3 hours?
Answer by lahank1886(3) (Show Source): You can put this solution on YOUR website!
60x * 3 or 180x
x is for the minutes and there is 60 per hour while 3 hours are the question.