Question 28 1pt 5 1 0 Details feet How many square feet of carpet are needed to completely cover the floor of a room which is 7.8 feet by 6 feet 2 Add Work Submit Question Question 29 1 pt 9 1 1 Details The cost of renting a rototiller is $40 dollars an hour for the first 4 hours. Then the rate is one-and-one-half times as high per hour after that. If the rototiller is rented for 6 hours, what is the cost? Add Work Submit Question Question 30 1 pt 9 1 0 Details Melonie stopped working today at 8:45 in the evening. She had worked 8 hours and 65 minutes. When did she begin working today? am