Martina plans on navigating the Big Richland river for a 24 kilometerround trip (12 km upstream and 12 km back downstream). She wants her trip downstream to be8 kilometers per hour faster than her trip upstream so that it takes 30 minutes less to get back towhere she started. What should Martina’s speed upstream be? Be sure to show and explainyour initial setup. Round your solution to the nearest tenth.
Martina plans on navigating the Big Richland river for a 24 kilometerround trip (12 km upstream and 12 km back downstream). She wants her trip downstream to be8 kilometers per hour faster than her trip upstream so that it takes 30 minutes less to get back towhere she started. What should Martina’s speed upstream be? Be sure to show and explainyour initial setup. Round your solution to the nearest tenth.
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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Question
Martina plans on navigating the Big Richland river for a 24 kilometer
round trip (12 km upstream and 12 km back downstream). She wants her trip downstream to be
8 kilometers per hour faster than her trip upstream so that it takes 30 minutes less to get back to
where she started. What should Martina’s speed upstream be? Be sure to show and explain
your initial setup. Round your solution to the nearest tenth.
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