At an amusement park, guests have to take either a train or a boat 3 miles from the parking lot to the front entrance and then back when they leave the park. The train goes 5 mph faster than the boat. Sarah takes the train into the park and the boat on her way back when she leaves. The boat goes an average speed of 15 mph. Remember D=rt. a) Set up a rational expression that represents the total time for her round trip. b) How long did the round trip take? a) Expression for total time: Numerator = %3D Denominator = b) Total time to the nearest hundredth of an hour

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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i need help finding the numerator, denominater, and the total time to the nearest hundreth

At an amusement park, guests have to take either a train or a boat 3 miles from the
parking lot to the front entrance and then back when they leave the park. The train
goes 5 mph faster than the boat. Sarah takes the train into the park and the boat on
her way back when she leaves. The boat goes an average speed of 15 mph.
Remember D=rt.
a) Set up a rational expression that represents the total time for her round trip.
b) How long did the round trip take?
a) Expression for total time: Numerator =
Denominator =
b) Total time to the nearest hundredth =
of an hour
Transcribed Image Text:At an amusement park, guests have to take either a train or a boat 3 miles from the parking lot to the front entrance and then back when they leave the park. The train goes 5 mph faster than the boat. Sarah takes the train into the park and the boat on her way back when she leaves. The boat goes an average speed of 15 mph. Remember D=rt. a) Set up a rational expression that represents the total time for her round trip. b) How long did the round trip take? a) Expression for total time: Numerator = Denominator = b) Total time to the nearest hundredth = of an hour
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