# 18. Cylinder Dimensions A right circular cylinderhas radius 6 in. and volume 144 T in.3. What isits height? (In the figure, h = height.)6 in.h is in inches.Solve each problem. See Example 2.19. Distance to an Appointment Margaret droveto a business appointment at 50 mph. Heraverage speed on the return tripThe return trip took hr longer because ofheavy traffic. How far did she travel to theappointment?trMorningwas 40 mph.50*th40 xAfternoono20. Distance between Cities Elwyn averaged50 mph traveling from Denver to Minneapolis.Returning by a different route that coveredthe same number of miles, he averaged 55 mph.What is the distance between the two citiesdt50GoingX55 32 xReturningto the nearest ten miles if his total travelingtime was 32 hr?

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How do you answer question nineteen?

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Step 1

We know that,

Step 2

Let time taken by Margaret to reach business appointment be x hrs.

Then time taken by her during return of the trip be (x + ¼) hrs.

Step 3

According to the question, Distance travelled by her to reach the business appointment with the speed of 5...

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