91Ó°ÊÓ

Ask you to determine drug dosage by a patient's weight. Use the fact that \(1 \mathrm{lb} \approx 0.45 \mathrm{~kg}\). The prescribed dosage of a drug is \(15 \mathrm{mg} / \mathrm{kg}\) daily, meaning that 15 milligrams of the drug should be administered daily for each kilogram of a patient's weight. How many 200-milligram tablets should be given each day to a patient who weighs 120 pounds?

A baseball diamond measures 27 meters along each side. If a batter scored two home runs in a game, how many kilometers did the batter run?

If you jog six times around a track that is 700 meters long, how many kilometers have you covered?

Describe how area is measured. Explain why linear units cannot be used.

New Mexico has a population density of 17 people per square mile. Describe what this means. Use an almanac or the Internet to compare this population density to that of the state in which you are now living.

Describe the difference between the following problems: How much fencing is needed to enclose a garden? How much fertilizer is needed for the garden?

Exercises 80-81 give the average temperature of some of the world's hottest places. In each exercise, determine which location has the hotter average temperature and by how many degrees Fahrenheit. Round to the nearest tenth of a degree. Assab, Eritrea: \(86.8^{\circ} \mathrm{F} ;\) Dalol, Ethiopia: \(34.6^{\circ} \mathrm{C}\)

Describe how volume is measured. Explain why linear or square units cannot be used.

For a swimming pool, what is the difference between the following units of measure: cubic feet and gallons? For each unit, write a sentence about the pool that makes the use of the unit appropriate.

If there are 10 decimeters in a meter, explain why there are not 10 cubic decimeters in a cubic meter.