A subway train makes six stops of equal length during its 21 km run. The train is actually moving for 20 minutes of the trip. At
most how long can the train remain at each station if the average speed for the trip, including stops, is to be at least 36 km/hr?
1 answer:
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Answer:
<u>Step-by-step explanation:</u>
To eliminate the exponent, apply log to both sides. This allows the exponent to become the coefficient, which can then be divided from both sides.