Question

Ryan is filling a box with 1-inch cubes. He filled the bottom layer as shown. Ryan wants to completely fill the box.

How many cubes will Ryan need in all?













A.
30







B.
37







C.
210







D.
214

Answer 1

C. 210
Because 5x6=30 and 30x7=210

Answer 2

You would find how many cubes there are, which is 30.  Then, you would see how tall is needs to be so 30 times 7. Which if you didnt already know it would be. 210 ( C)