kingcobra kingcobra 02-04-2016 Mathematics contestada A babysitter charges 25% more than her normal hourly rate on Saturday night. Her normal hourly rate is $12.50. Which expression represents how much the babysitter charges on Saturday night? A.$12.50*5/4 B.$12.50*7/4 C.$12.50*1/4 D.$12.50*3/4