A preschool shopping for stand for in sandbox. Box A is 9 inches wide by 13 inches long by 15 inches high. Box B is 6 inches wide by 12 inches long by 20 inches high which box has more sand apply the formula V=B

To find the volume of each box, we will apply the formula V = B, where V is the volume and B is the base area (length x width) of the box.

For Box A:
V = 9 x 13 x 15 = 1755 cubic inches

For Box B:
V = 6 x 12 x 20 = 1440 cubic inches

Therefore, Box A has more sand as it has a larger volume of 1755 cubic inches compared to Box B's volume of 1440 cubic inches.