A train is traveling at a speed of 90 miles per bour. The driver of the train plans on maintaining this speed for the next 120 miles, plus or minus 15 miles. Find the minimum and maximum numbers of hours the train will travel at that speed.
Added by Beth E.
Step 1
To find the minimum distance, we subtract 15 miles from the given distance of 120 miles. Minimum distance = 120 miles - 15 miles = 105 miles. Show more…
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