Volume = length x width x height but there are only 2 demiintions 2 x 2 1/2= first, make 2 1/2 into an improper fraction 2 x 2=4+1=5 5/2 is the improper fraction now, write 2 as a fraction, 2/1 now, 5/2 x 2/1=5 or 5/1 This is the answer, I don't know it is wrong