1. CVSTM is having a sale on vitamins. You purchase 2 bottles of multivitamins at $3.75/bottle, 1 bottle of vitamin D supplement that costs $4.85, and 2 vitamin C supplement bottles at $2.95/bottle. How much money would be left before tax if you had $20 to spend on this purchase?

2. You need 2,500 calories a day as a growing teenager who only moderately exercises. If you consumed a meal at McDonald's that consisted of 1 Quarter Pounder with cheese (520 calories), 1 small fries (220 calories), and a large Coke (290 calories), how many calories would you have left to consume the rest of the day?

3. Your Aunt Barbara gave you $500 to spend on books for your first semester of college classes. You purchased the recommended biology book at $209.59, the biology lab manual at $59.33, a psychology book at $121.35, an English book at $137.95, a math book at $107.14, and the math student workbook at $36.96. How much more money will you still need to purchase your books for this semester's four classes?

4. The digestive tract is approximately 30 feet long. Food enters the stomach after passing through the 10-inch esophagus. How many more inches will food need to travel prior to exiting the body?

5. You have recently been diagnosed with the flu. Your doctor tells you to take 400 mg of Tylenol every 4 hours to control your fever. If you purchased a bottle of Tylenol that contains fifty 200 mg tablets, how many tablets would be left in the bottle after 3 days if you followed your doctor's orders?

6. The medical assistant takes the oral temperature of every patient upon arrival. The clinic sees 45 patients each day. How many weeks would a 500-count box of thermometer probe covers last if the clinic is open 5 days per week?