How far is the earthquake's epicenter from the measuring station

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.CR: Chapter Review
Problem 16E: Find the intensity of light at a depth of 12 meter if I0=14 and k=0.7. Round to two decimals.
Question

At an earthquake measuring station the waves that arrive first come at a speed of 4 km/s and the waves that come second arrive at a speed of 1 km/s.  If the time delay between the two waves is 5 seconds.  How far is the earthquake's epicenter from the measuring station (round the answer to two decimal places)

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