distance:
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DISTANCE:. (d=rt). # 1. You drive down the road at 55 miles per hour for two hours. How far do you go? __________. # 2. You drive down the highway at 65 miles per hour for twenty minutes. How far do you go? ____________. # 3. - PowerPoint PPT PresentationTRANSCRIPT
You drive down the highway at 65 miles per hour for
twenty minutes. How far do you go?
____________
# 2.
Two trains start at the same point. One train travels
east at 40 miles per hour for at least 4 hours. The other
train travels west at an unknown speed. Four hours
later the trains are 360 miles apart. What was the
average speed of the second train?
________________________
# 4.
A bus traveling at an average rate of 50
kilometers per hour made the trip to town in 6 hours.
If it had traveled at 45 kilometers per hour, how
many more minutes would it have taken to make the
trip?__________________
# 5.
A bus and a car leave the same place and traveled in opposite directions. If the bus is traveling at 50 mph and the car is traveling at
55 mph, in how many hours will they be 210 miles
apart?
____________
# 6.
John took a drive to town at an average rate of 40 mph.
In the evening, he drove back at 30 mph. If he spent a total of 7 hours traveling,
what is the distance traveled by John?
_______________
# 7.
Into the headwind, the plane flew 200 miles in 5
hours. With a tailwind, the return trip took 4 hours.
Find the speed of the plane in still air and the speed of
the wind.
_________________
# 8.
Two planes A and B can each fly through still air at 450 mph. The
distance from Paris to Los Angeles is 5000 miles. Wind
blows from Los Angeles towards Paris at a speed of 100 mph. Plane A leaves Paris at noon
flying towards Los Angeles. Plane B departs Los Angeles 1 hour
later to fly to Paris. How far from Los Angeles are the two planes
when they pass each other? __________________________ miles
# 9.
A cyclist starts at a certain point and rides at a rate of 10
mph. Twelve minutes later, another cyclist starts from the
same point in the same direction and rides at 16 mph. How long will it take for the
second cyclist to catch up with the first?
__________
# 10.
A car passes an intersection heading north at 40 mph.
Another car passes the same intersection 15 minutes later heading north traveling at 45 mph. How long will it take for the second car to overtake the
first?
_______
# 11.
Two cars meet at an intersection, one heading
north; the other, south. If the northbound driver drives at 30 mph and the southbound driver at 40 mph, when will
they be 35 miles apart?
__________
# 12.
Two friends leave a hotel at the same time traveling in opposite directions. They
travel for four hours and are then 480 miles apart. If
Susan travels 10 miles per hour faster than Joan, find the
average rate of speed for each person.
Susan: ___________Joan: _____________
# 13.
A runner decides to run out in the country. He begins to run at an average rate of 9 miles per hour. He runs a certain
distance and then turns around and returns along the same route at an average rate
of 6 miles per hour. If the round trip took 2 ½ hours,
how far did the runner travel before turning around?
________
# 14.
A 555-mile, 5-hour plane trip was flown at two speeds. For the first part of the trip, the
average speed was 105 mph. Then the tailwind picked up, and the remainder of the trip
was flown at an average speed of 115 mph. For how long did the plane fly at each speed?
# 15.
An executive drove from home at an average speed of 30 mph to an
airport where a helicopter was waiting. The executive boarded the helicopter and flew to the
corporate offices at an average speed of 60 mph. The entire distance was 150 miles. The
entire trip took three hours. Find the distance from the airport to
the corporate offices.
_______________
# 16.
A car and a bus set out at 2 pm from the same point, headed in
the same direction. The average speed of the car is 30 mph slower then twice the speed of the bus. In two hours, the car is 20 miles
ahead of the bus. Find the rate of the car.
______________
# 17.
A passenger train leaves the train depot 2 hours after a freight train left the same depot. The freight train is traveling 20 mph slower
then the passenger train. Find the rate of each train, if the passenger train overtakes the freight train in
three hours.
_____________
# 18.
A train leaves Deb’s house and travels at 50 miles per hour. Two hours later, another train leaves from Deb’s house on the track
beside or parallel to the first train but it travels at 100 miles per
hour. How far away from Deb’s house will the faster train pass the
other train?
______________
# 19.
One train left the station and traveled toward its destination at
a speed of 65 miles per hour. Later, another train left the
station traveling in the opposite direction of the first train, was
going at a speed of 75 miles per hour. After the first train had
traveled for 14 hours, it was 1960 miles apart from the second train.
How long did the second train travel?
______________
# 20.
Suppose two sisters live 240 miles apart. One sister has three young children who
are planning to visit their aunt for a week. To prevent driving so far, the
sisters agree to leave at the same time, drive toward each other, and meet
somewhere along the route. The sister with the three children tends to drive
carefully and obey the speed limit. Her average rate of speed is 70 mph. The other sister drives too fast, and her
average rate of speed is 80 mph. How long will it take the sisters to meet each
other to transfer the children?
___________
# 21.