9a. Hank has cards that are 8 inches by 4 inches. A stack of these fits into the box as shown and uses up 32 cubic inches of volume. How tall is the stack of cards? (Use numbers only in your answer) *
2 points
9b. What percent of the box's volume is taken up by the cards? (HINT--Solve the volume of the box then set up proportions) part to whole volume cards/the total volume = x/100