A child weighs 41 pounds: Amoxicillin 225 mg every 6 hours….

A child weighs 41 pounds: Amoxicillin 225 mg every 6 hours. The therapeutic range is 25-50 mg/kg/day. Ampicillin comes in the following concentrations 125mg/5 ml, 200mg/5 ml, 250mg/5 ml and 400mg/5 ml   15. Is the dose therapeutic? If yes, then how many ml’s will you administer and what concentration did you choose? If no, what is the therapeutic-range based upon an 6 hour dose?