The diagram below shows a set of three different sized containers tanner used for storing dry goods. the largest container held 12 3/4 cups of dry goods.
container a : 2/3 of the amount in container a
container b: 2/3 of the amount in container b
container c:
what was the total amount in cups, of dry goods that tanner could store in all three containers ?
show your work
how many cups