Kirk drove home from college traveling an average speed of 61.1 mph and drove back to the college the following week at an average speed of 55.8 mph. If the total round trip took 9 hours, how much time did it take Kirk to drive from home back to college? Express the time in hours and minutes. Round to the nearest minute.
Added by Keyana W.
Step 1
We know that the total time for the round trip is 9 hours, so T1 + T2 = 9. We also know that speed equals distance divided by time, so we can write two equations based on the average speeds given: D = 61.1 * T1 (for the trip home) D = 55.8 * T2 (for the trip Show more…
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