Question for math problem

Question

When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees Fahrenheit. How much medicine would be usual dose for a 18 month old weighing 25 pounds?

milligrams

Round your answer to the nearest milligram.

Answer 1

To calculate the usual dose of ibuprofen for a 18 month-old-child weighing 25 pounds, follow these steps:

1. convert the child's weight from pounds to kilograms :

1 pound = 0.4523592 kilograms.

25 pounds * 0,453592 kg/pound = 11.34 kg

1. Calculate the dose: The usual dose is 5 mg per kg of body weight

5mg/kg * 11.34 kg = 56.7 mg

1. Round the dose to the nearest milligram:

56.7 mg = 57 mg

So, the usual dose for this child would be 57 milligrams of ibuprofen.

Answer 2

5 mg / kg * kg = mg given

The child's weight is given in pounds, however. 25 lbs. How many kg is that? There are appoximately 0.45359237 kg per pound.

25 lb * 0.45359237 kg /lb * 5 mg/kg = about 57 mg