Kaja completed construction of her rases flowerbed project and is ready to begin fing with sol. The rased flower bed is in the stage of a rectanguliza prism and has dimensions as shown belon Each bag of sol cortans 15 cubic feet of soil. How many fudbags of so wil Kaja need to buy to fi her Sower bed?
A)16
B)21
C)27
D)32