243, 729 ... multiply each number by 3
I believe your last coordinate would be (6,3)
Answer:
If my bank has temporarily reduced branch access or is not open, is my money still .
Use similar volume to calculate
which is the (ratio of edges)^3 = (ration of volume)
so just put the numbers in, let the volume of smaller pyramid be y.
(3/4)^3 = y/320
27/64 = y/320
y=135in3
