the answer would be 32 laps in 2 hours. This is because if you walk 48 laps in 3 hours then you would have to figure out how many laps Mrs. banet walks in 1 hour. To do that you divide 48 by 3 and get 16 laps so 16 multiplied by 2 equals 32 which is how much you walk in 2 hours. Hope this helps :)