400
Mr. Simon wants to make packages of art supplies for his students. Pads of paper come 4 to a box, pencils come 27 to a box, and erasers come 12 to a box. What is the least number of kits he can make if he wants each kit to be the same and he wants no supplies left over? How many boxes of paper, pencils and erasers must he buy?
108 kits
27 boxes of paper, 4 boxes of pencils and 9 boxes of erasers.