B. At home, Alice noticed that she had a flat tire. With the spare, Alice drove 30 miles to the next shop at 45 mph. After getting the new tire, she drove home at 70 mph. What was Alice's average speed for her round trip?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter2: Solving Linear Equations
Section2.4: Solve Mixture And Uniform Motion Applications
Problem 290E: John left his house in Irvine at 8:35 a.m. to drive to a meeting in Los Angeles, 45 miles away. He...
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3. At home, Alice noticed that she had a flat tire. With the spare, Alice drove 30 miles to
the next shop at 45 mph. After getting the new tire, she drove home at 70 mph. What
was Alice's average speed for her round trip?
Transcribed Image Text:3. At home, Alice noticed that she had a flat tire. With the spare, Alice drove 30 miles to the next shop at 45 mph. After getting the new tire, she drove home at 70 mph. What was Alice's average speed for her round trip?
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