Homework Help: math

Posted by jen on Saturday, December 1, 2007 at 9:07pm.

An antibiotic is reconstituted with 128ml of water to yield 250mg/5ml.
A) If the child weighs 66 pounds what will the dose be at 5mg/kg/dose?
B) If the medication is given qid x 10 days, will the 150ml bottle be enough?

math - PsyDAG, Monday, December 3, 2007 at 11:20am
You need to convert pounds to kg to solve A. Then multiply it by the 5 mg to get total mg/dose.

250mg/5ml = total mg/?ml for A.

150/(total[?] ml*4*10) will answer B.

I hope this helps. Thanks for asking.

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