PUNCHLINE Problem Solving • 2nd Edition
 
 
PPS_113
     
  Students solve problems that require finding a percent of a number. Exercise #2 guides them through the process of finding a discount, then subtracting to find the sale price. Exercise #4 guides them through the process of finding a sales tax, then adding to find the total cost. Data for Exercise #8 reflects current national averages for recycling.  
     
     
 
PUNCHLINE: SHOCK A LOT