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Researchers asked students in grades 4-6 in three school districts in Michigan about what they thought was the most important thing in school: making good grades, being popular or being good in sports. There were urban, rural and suburban schools surveyed. Rural Suburban Urban All Grades  57 87 103 247 Popular 50 42 49 141 Sports 42 22 26 90 All 149 151 178 478 What is the probability that a randomly selected student is from a rural or urban school? Round your solution to 2 decimal places. 

  If you have an order for 160 mg, how many tablets will be given? 

How do you distinguish the dosage strength and the total number of tablets in the bottle?

Divide the following fractions and express the answers to the nearest hundredth. 300_1600

Solve the equations.  Express your answer to the nearest tenth.  0.3/1.2  x  2.1/0.15.     

What instructions will you give the patient before you administer this medication? 

Use a calculator to divide the common-fractions.   Express your answer to the nearest tenth.    4_1.7

 A dosage of 1500 mcg is ordered. The label reads 0.5 mg. How many tablet(s) do you give?

  What is the strength of each tablet? 

Directions for reconstitution of a powdered oral drug may include dosage based on body weight.