content area top Part 1 Compute the following mentally; find the exact answers. a. 4 and one half times 4 b. 6 and four fifths times 5 c. 8 and one fourth times 5 d. 8 times 5 and one third e. 2 divided by one third f. 2 and one fifth divided by one fifth g. 2 divided by one half h. 6 and one half divided by 2