Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 370236: The speed of the boat in still water is 28 mph. the boat traveled 70 miles per hour downstream in the same amount of time that it took to travel 42 miles upstream. What is the rate of current of the river?
Click here to see answer by mananth(12270)  |
Question 370351: A train is going to a place B and the velocity is 80 km/h. After half an hour another train leaves for B and its velocity is 100 km/h. the trains arrive in B at the same time. what is the lengh of the route ?
plz help
Click here to see answer by mananth(12270)  |
Question 370479: A boat's crew rowed 12 miles downstream, with the current, in 2 hours. The return trip upstream, against the current, covered the same distance, but took 3 hours. Find the crew's rowing rate in still water and the rate of current.
I know that the boat crew rowed 6 miles per hour during current,but I don't know the rate in still water.
Thanks
Click here to see answer by Alan3354(30983)  |
Question 370178: A plane traveling from Phoenix to San Francisco with a tailwind of 35 miles per hour takes 2.5 hours. Returning with the headwind, it takes the same plane 2 hours and 45 minutes. What is the average speed of the plane in calm conditions?
Click here to see answer by scott8148(6628)  |
Question 370562: Linus jogs at x kph to overtake Charlie who jogs at 6 kph. If Charlie started two hours earlier, how many hours will it take before Linus overtakes Charlie?
(Translating Word Phrases into Mathematical Expression)
Click here to see answer by stanbon(57246) |
Question 370575: Liz commutes 30 mi. to her job each day. She Finds that if she drives 10 mi/h faster it takes her 6 minutes less to get to work. Find her new speed.
I tried setting this problem up on a chart. For some reason when I worked the problem out I came out with really odd fractions, and I am not quite sure what I have done wrong. Any kind of help would truly mean a lot to me.
Click here to see answer by ewatrrr(10682)  |
Question 370575: Liz commutes 30 mi. to her job each day. She Finds that if she drives 10 mi/h faster it takes her 6 minutes less to get to work. Find her new speed.
I tried setting this problem up on a chart. For some reason when I worked the problem out I came out with really odd fractions, and I am not quite sure what I have done wrong. Any kind of help would truly mean a lot to me.
Click here to see answer by jim_thompson5910(28504) |
Question 370581: The riverboat Hiawatha goes 30 km upstream and back in 4 hours. If the Hiawatha's speed in still water is 16 km/h, what is the speed of the current?
I set this problem up on a chart and had 30/16-r + 30/16+r = 4 and ended up getting r=16km/h. I am not quite sure if I set this problem up right.
Click here to see answer by mananth(12270)  |
Question 370605: A ladder is leaning against a building. The distance from the bottom of the ladder to the building is 16ft shorter than the length of the ladder. How high up the side of the building is the top of the ladder if that distance is 8ft less than the length of the ladder?
Click here to see answer by robertb(4012)  |
Question 370696: A passenger train making a 240 km trip traveled the first 120 km at 75 km/h. At what speed must it travel the second 120 km in order to average 100 km/h for the entire trip?
I think I am confused on the set up and that is what's messing me up. Any help would be great!
Click here to see answer by ewatrrr(10682)  |
Question 370763: Gone fishing. Debbie traveled by boat 5 miles upstream to fish in her favorite spot. Because of the 4-mph current, it took her 20 minutes longer to get there than to return. How fast will her boat go in still water?
Click here to see answer by scott8148(6628)  |
Question 370864: an express train travels 343 miles between two cities. during the first 78 miles of a trip, the train traveled through mountainous terrain. the train traveled 14 miles per hour slower through mountainous terrain than through level terrain. if the total time to travel between the cities was 7 hours, find the speed of the train in level terrain
Click here to see answer by ankor@dixie-net.com(15638)  |
Question 371019: Solve the problem. On a recent trip, Sarah's car traveled 20 mph faster on the first 140 miles than it did on the remaining 80 miles. The total time for the trip was 4 hours. Find the speed of Sarah's car on the first part of the trip.
Click here to see answer by mananth(12270)  |
Question 371118: Jill traveled against the wind in a small plane for 6 hours. On the return trip traveling with the wind the trip took 4 hours. Find the speed of the wind if the speed of her plane in still air is 90 miles per hour.
Click here to see answer by mananth(12270)  |
Question 371169: When Larry drove to his meeting his average speed was 50 mph. On the way home the weather deteriorated so he was only able to maintain an average of 40 mph. If the trip home took 120 minutes longer than his trip to the meeting find the total distance Larry drove on his trip.
Click here to see answer by jvan(28) |
Question 371190: A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
Click here to see answer by nyc_function(2733)  |
Question 371190: A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
Click here to see answer by mananth(12270)  |
Question 371356: The initial distance between two particles is 0.3 km, The particles head towards each other at speeds of 1.5 m/s and 3.5 m/s respectively.
a) When will they meet ?
b) where will the meeting take place ?
Plot the graph
Please help
Click here to see answer by Fombitz(13828)  |
Question 371394: Teresa drive 204 miles in 9 gallons of gas. How many gallons of gas would she need to drive 374 miles as well as
There are 810 dishes that need to be rinsed. John can rinse them in 135 minutes by himself. It will take his friend Bob 90 minutes to rinse these dishes. How long will it take them if they rinse these 810 dishes together?
Click here to see answer by ewatrrr(10682)  |
Question 371399: a plane can travel 480 miles with the wind in two hours. It takes about 3 hours to travel the same distance against the wind. How fast can the plane go and how fast is the wind?
How do I set this problem up to solve?
Click here to see answer by Fombitz(13828)  |
Question 371498: A house has 60 steps between the first floor and the third floor.
Each step is 4 inches high.
What is the distance in feet between the first floor and the third floor?
Note: 12 inches = 1 feet.
Click here to see answer by Aust05(12) |
Question 371534: Helen drives from her house to a store at 25 mph. She drives back along the same route at 35 mph. When she gets home she realizes she forgot her credit card at the store so she returns along the same route at 40 mph. When she drives back home along the same route there is a lot of traffic so she travels at 20 mph. What was Helen's average speed for the four trips? Round answer to nearest whole number. Hint: the answer is NOT 30 mph.
Click here to see answer by amoresroy(333)  |
Question 371771: (A state patrol officer is chasing a car she believes is speeding. The officer is traveling 70 miles per hour to try to catch up with the car. But she can't say later that the other car was going 70 miles per hour because the driver could ask, "If we were going the same speed, how did you catch up? Obviously I was going slower than you. I wasn't speeding." The officer sees the driver pass a mile marker, one-fourth of a mile. From the marker, it takes the officer five minutes (1/12 of an hour) to catch up. How fast was the driver going
Click here to see answer by Alan3354(30983)  |
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