A pack of 12 garbage bags cost $2.39 a pack of 48 (same brand) garbage nags cost $8.39 which is better buy

Select the correct answer from each drop down menu

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?