Amie, john, and jake are on the prom committee. they are responsible for blowing up the balloons for prom night. john can blowup a balloon every 15 seconds while it takes jamie and jake 20 seconds per balloon. if 1 out of 80 balloons are found to be defected after they are inflated, identify the expression which represents the number of balloons inflated per hour. a)592.5xb)592.5 - 180xc)600x - 180d)600 - 180x