SOLUTION: Garrett averages 60 mph and Gordon averages 65 mph. Gordon couldn't find his car keys, so he lest the office to travel to a meeting in another state 15 minutes after Garrett. How l

Question 813851: Garrett averages 60 mph and Gordon averages 65 mph. Gordon couldn't find his car keys, so he lest the office to travel to a meeting in another state 15 minutes after Garrett. How long will it be until Gordon catches up to Garrett?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Garrett averages 60 mph and Gordon averages 65 mph. Gordon couldn't find his car keys, so he lest the office to travel to a meeting in another state 15 minutes after Garrett. How long will it be until Gordon catches up to Garrett?
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In 15 minutes, Garrett is 15 miles away (60 mi/hr * 1/4 hr)
Gordon "gains on him" at 5 mi/hr (65-60)
15/5 = 3 hours to catch up.
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Gordon "gains on him" at 5 mi/hr (65-60)
Gordon's speed with respect to Garrett is 5 mi/hr = "gains on"

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