SOLUTION: At 1:30, an airplane leaves Tucson for Baltimore, a distance of 2240 miles. The plane flies at 280 miles per hour. A second airplane leaves Tucson at 2:15 pm and is scheduled to la
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Question 208207: At 1:30, an airplane leaves Tucson for Baltimore, a distance of 2240 miles. The plane flies at 280 miles per hour. A second airplane leaves Tucson at 2:15 pm and is scheduled to land in Baltimore 15 minutes before the first airplane. At what rate must the second airplane travel to arrive on schedule?
You can put this solution on YOUR website! At 1:30 an airplane leaves Tucson for Baltimore, a distance of 2240 miles.
The plane flies at 280 miles per hour.
A second airplane leaves Tucson at 2:15 pm and is scheduled to land in Baltimore
15 minutes before the first airplane.
At what rate must the second airplane travel to arrive on schedule?
:
Find the travel time of the 1st airplane = 8 hrs
should arrive at Baltimore in 8 hrs, at 9:30
therefore
The 2nd plane, 15 min earlier, should arrive at 9:15
2nd plane travel time: 9:15 - 2:15 = 7 hrs
:
Find the speed of the 2nd plane = 320 mph to accomplish this
