



 
Hi Juan, Imagine that the region to be painted is covered with flooring tiles, each 1 foot by 1 foot. Along the bottom are 6 tiles, the second row has 6 tiles and the third row had 6 tiles. In total there are 6 × 3 = 18 tiles. It takes 2 students to paint a tile so how many students are needed? Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 