Kim buys 3 pizzas.  They are 12 slices each.  The pizza cost $72.  How much did 5 slices cost?
How many slices did Kim get? ** he got 3*12=<<3*12=36>>36 slices
How much did each slice cost? ** So each slice cost 72/36=$<<72/36=2>>2
How much did 5 slices cost? ** So 5 slices would cost 5*2=$<<5*2=10>>10
#### 10