Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 498948: A plane traveled 864 miles to Shanghai and back. The trip there was with the wind. It took 9 hours. The trip back was into the wind. The trip back took 18 hours. What is the speed of the plane in still air? What is the speed of the wind?
Click here to see answer by mananth(12270)  |
Question 499128: The problem is: Car Travel. Two cars leave Denver traveling in
opposite directions. One car travels at a speed of
80 and the other at 96 . In how many
hours will they be 528 km apart?
I know that it is a problem that is going to take two equations to set it up and then use the substitution method to solve it, but I just am not figuring out how to set it up.
Click here to see answer by mananth(12270)  |
Question 498444: a plane is flying the 2553-mi trip from los angeles to honolulu into a 60-mph headwind. if the speed of the plane in still air is 310 mph, how far from los angeles is the plane's point of no return?
Click here to see answer by bucky(2189) |
Question 499190: I have a trig problem on a ship's bearing and I really don't understand ship's bearings. I think they are measured in degrees from north clockwise on the circle of the compass and expressed as W/N or S/N.
My proplem is: "A ship starts from a given point and sails 5km on a bearing of 45 degrees and then 6km on a bearing of 60 degrees. Find it's distance and bearing from its starting point."
I have drawn two circles of radii 5 and 6. I'm not sure I draew them in the right relation to each other. The center of the second circle is on the circumfrence of the first circle 45 degrees from north (360). I drew the radius of the second circle 60 degrees from the 360 degree mark of the second circle. I am unsure how to proceed from here. I am looking for a place to apply the law of cosines.
Click here to see answer by oberobic(2304) |
Question 498438: Mr Wong left his house and drove north for 5 blocks, then turned right and drove 6 blocks, then turned south and drove 2 more blocks. Finally, he turned right again and drove one more block to end up at the library.
How many blocks east of Mr Wong's house is the library ??
Click here to see answer by bucky(2189) |
Question 499425: Rescue at Sea:
A ship that is in danger of sinking radios the coast Guard for assistance. When the rescue craft leaves the Coast Guard station, the ship is 60 miles away and heading directly toward the station. If the average speed of the ship is 10 miles per hour and the average speed of the rescue craft is 20 miles per hour, how long will it take for the rescue craft to reach the ship?
(Rescue craft)______________________________________(Ship)
20 mi/hr ----->_____________________________<---- 10 mi/hr
<--------------------------- 60 mi ------------------------>
Click here to see answer by chessace(471)  |
Question 499518: A freight train, traveling at an average rate of 30 mi/h, leaves san francisco for Los Angeles. 5 hours later, a passenger train, traveling at an average rate of 55 mi/hr, leaves San Francisco for Los Angeles. How far are the trains from San Francisco when the passenger train passes the freight train?
Click here to see answer by mananth(12270)  |
Question 499542: Test prob: For 2 hours of a 400-mile trip, ave speed 40mph. Determine ave speed maintained for remainder of trip for ave speed of entire trip to be 50 mph.
My figures: First part: 80m/2h=40mph
Second part: 320m/time(t)=ave mph (a)
Complete trip: 400m/(2+t)=50mph
I am at a loss. Can you please help me compute the average speed for the second part of the trip? Thank you for your help.
Click here to see answer by Alan3354(31519)  |
Question 499760: a woman travels 185 miles by car in 3 hours and 30 minutes. she drives at 50mph for part of the trip and 55mph for the remainder of the trip. How many miles does she travel at 50mph? I can draw a graph and estimate that she drove 1.5 hours at 50 mph leaving 2 hours to drive at 55mph which totals 185 miles traveled, but i don't know how to set up an algebraic problem to solve it. I'm helping my daughter with her algebra.
Click here to see answer by oberobic(2304) |
Question 499812: david drove a total of 300km. he drove during equal periodss of time , 80km/h , 90km/h and 100km/h . how much time did he spend driving at 90km/h ? the answer should be approximatly 1 1/9.
please get back to me as soon as possible and tell me how you got to your answer.
Click here to see answer by josmiceli(9817)  |
Question 499873: Two cars leave Orlando heading towards Atlanta. The first car is going 50 mph and the second car is gping 70 mph. The first car leaves at 9am and the second car leaves at 11am. How long will it take for the second car to pass the first car? Thank you very much.
Click here to see answer by Edwin McCravy(8999)  |
Question 500071: Two trucks leave a depot at approximately the same time and travel the same route. How far apart are the trucks after 2½ hours if their average speeds are 44 miles per hour and 56 miles per hour?
Click here to see answer by rfer(12730) |
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