A pediatrician orders a dose of liquid amoxicillin for a child. The amount to be given is one and one half teaspoons three times per day, for 10 days. How much is needed to fill this prescription?
100 mL
150 mL
200 mL
225 mL
225 mL
Rationale: Since one teaspoon = 5 mL, one and one half teaspoons equal 7.5 mL. Multiply 7.5 mL x 3 times per day to find 22.5 mL. Multiply 22.5 mL x 10 days, and the answer is 225 mL needed to fill this prescription.
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