Question

Two sizes of packing boxes are being stacked next to each other in a warehouse one type of the box is 12 inches high and the other is 16 inches high the heights of the stacks are to be equal what is the shortest possible height of a stack?
Ms. Sue
What is the least common multiple of 12 and 16?

Jenny
48
Ms. Sue
You've got it! :-)
Jenny
Two sizes of concrete blocks are being used to build a raised garden bed for strawberries the first kind of block is 8 inches long and the second is 12 inches long a row of the shorter block is laid on the top of row of the longer blocks using only whole blocks what is the shortest length for which the two rows of blocks are equally long