The following problems are a little bit harder. Be sure and read each question carefully. If you need a hint, click on the hint button.

1. A certain chocolate bar contains 6 mg of caffeine in a 1.5 oz. serving. The king-size version of the chocolate bar is 85 grams. How much caffeine, in mg, would you consume if eat the entire king-size bar?

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   Need a hint?

   Use 6 mg of caffeine = 1.5 ounces as one of your conversion factors.



2. A common pain and fever reliever given to infants contains 160 mg acetaminophen in 5 mL liquid suspension. The recommended dose is 15 mg acetaminophen per 1 kg body weight. How much acetaminophen, in mL, would you give to a 20 lb infant?

   Interactive popup. Assistance may be required.

   Need a hint?

   Use 160 mg of acetaminophen = 5 mL and 15 mg of acetaminophen = 1 kg as two of your conversion factors.