08A-7 ) Fred purchased $3.29 worth of tuna salad at $4.99/lb. How much did he buy?
08A-17) If the average heart rate is 75 beats/min, how far does sound travel in one heartbeat? The speed of sound is 769 mph?
08A-18) What is the percent difference between the area of a legal-sized sheet of paper (8.5 in by 13 in) and a
letter-sized sheet (8.5 in by 11in)?