18. Suppose you are the thirtieth person in line to renew your driver's license at the Department of Motor Vehicles. In 150 seconds, 2 people are helped. Assuming this rate stays the same, how long (in minutes) will it take to reach the service counter? a.
18. Suppose you are the thirtieth person in line to renew your driver's license at the Department of Motor Vehicles. In 150 seconds, 2 people are helped. Assuming this rate stays the same, how long (in minutes) will it take to reach the service counter? a.
Chapter5: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 22PS: In a classroom designed for 30 students, the air conditioning system can move 450 cubic feet of air...
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I need help with number 18a we have to solve the problem involving proportions 
Transcribed Image Text:13. A drug label notes that the client's medicine has 250 milligrams
How many milliliters would deliver 375 milligrams of medicine?
lemL
14. Flowrate mmilliliters per hour F is-foumd-by dividing volume in milliliters-V by-time im-
hours t. A doctor has prescribed 750 milligrams of ampicillin in 125 milliliters to infuse (to
be given) over 45 minutes. What is the infusion rate in milliliters per hour?
Solve each problem involving proportions.
15. Louisiana biologists tagged 250 fish in the oxbow lake False River on October 5. On a later
date, they found 7 tagged fish in a sample of 350. Estimate the total number of fish in False
River to the nearest hundred.
Th,500 fioh
16. A wall map of the United States has a distance of 8.5 inches between Memphis and Denver,
two cities that are actually 1040 miles apart. The actual distance between St. Louis and Des
Moines is 333 miles. How far apart are St. Louis and Des Moines on this map?
<る.722.
1
17. According to the directions on a bottle of cleaner, for routine cleaning, cup of cleaner
should be mixed with 1 gallon of warm water. How much cleaner should be mixed with 115
gallons of water?
2.875 cups of cleaner
18. Suppose you are the thirtieth person in line.
Department of Motor Vehicles.
renew your driver's license at the
In 150 seconds, 2 people are helped. Assuming this rate stays the same, how long
(in minutes) will it take to reach the service counter?
a.
b. It takes 15 minutes to drive back to work. If your lunch hour is 45 minutes long, will
you arrive back at work on time?
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