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1. The recommended pediatric dosage of Benadryl, an antihistamine, is 5 mg/kg of body weight per day. How many milligrams should a child weighing 44 pounds take in a day?

A. 484 mg
B. 100 mg
C. 220 mg

2. The distance from Atlanta to New York City is 864 miles. If these cities were connected by a high-speed train traveling at 320 km/hour, how long would it take to travel nonstop between the two cities?

A. 27 hours
B. 4.3 hours
C. 1.7 hours

Answer :

Final answer:

A child weighing 44 pounds should take 100mg of Benadryl per day, under recommended dosage. If a high-speed train travels from Atlanta to New York City at 320 km/h, the trip would take about 4.3 hours.

Explanation:

To answer both parts of this question, we need to complete some conversions and calculations.

For part 1, a child's weight in kilograms needs to be calculated from pounds for the dosage calculation of Benadryl. As 1 kilogram is approximately 2.2 pounds, we would divide the child's weight in pounds by 2.2 to get kilograms. Therefore, 44 pounds is equivalent to 20 kilograms. Then, to calculate the dosage, we would multiply the weight by the recommended dosage.

So, 20kg * 5mg/kg = 100mg of Benadryl.

For part 2, the distance between Atlanta and New York City needs to be converted from miles to kilometers for the high-speed train timing calculation. Given that 1 mile is about 1.60934 kilometers, 864 miles is approximately 1390.9 km. The travel time can then be calculated by dividing the distance by the speed,

so 1390.9km / 320km/h = approximately 4.3 hours.

Learn more about Dosage and Speed calculations here:

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