An aquaria holds 8.6 cubic feet of water. the aquarium is filled up further to hold 9.2 cubic feet of water. what is the percent of change for the volume of water inside the aquarium?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.