Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 1069683: X an Y are two stations 500 km apart. A train starts form X and moves towards Y at 20 km/hr. Another rain starts from Y at the same time and moves towards X at 30 km/hr. How far from X will they cross each other:
Click here to see answer by ikleyn(52752)  |
Question 1069758: two cars enter I-95 at the same time one from Savannah and the other from Jacksonville. The distance from savannah to jacksonville is 136 miles. the car from savannah is traveling at 55 mph, the car from jacksonville is traveling at 70 mph. how long will it take for the two cars to pass each other? what distance will each car have traveled before passing each other?
Click here to see answer by josmiceli(19441)  |
Question 1069826: A man travels up a hill at 12 mph. He realizes he forgot his lunch and goes down the hill the exact same way at 25 mph. The entire trip took 4.6 hours. What was his average speed throughout the entire trip?
Click here to see answer by Boreal(15235)  |
Question 1069873: A Car A left City X, traveling at an average of 50 miles per hour. Two hours later, a Car B left City X, traveling on the same road at an average velocity of 70 miles per hour. When will the Car B catch up to the Car A? How far will each car have traveled?
Click here to see answer by josgarithmetic(39613) |
Question 1069897: robinson crusoe is shipwrecked on a desert island. his wrecked ship is 120 yards from the shore, 300 yards down the shore from the point on the shore closest to his ship. Crusoe makes many trips between the hut and the ship and wants to minimize the time each trip takes. He can walk 130 yards per minute and pole his raft 50 yards per minute. where on the shoreline should he moor his raft so that the trips can be made in minimum time? define the function that models the total time to make the trip as a function of x, the distance down the shoreline from the wreck. find the value of x that will minimize the total time Round to the nearest yard.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1070183: Susan avaraged 96 miles per hour on the way to work to make a sales call. On the way home she averaged 84 miles per hour and took her 1 hour longer to drive home than it did to drive to work. What was the total driving time for susan's trip?
Click here to see answer by Alan3354(69443)  |
Question 1070369: I tried using the sto key for this on my calculator but I don't think I put it in properly. I tried different ways to substitute the answers with the questions but I couldn't find the solution. The question is:
'Maria's 7-hour drive to college was 355 miles long. She averaged 45 miles per hour for the first 2 hours. Which of the following is closest to her average speed in miles per hour, for the remainder of her drive?
A.) 38
B.) 51
C.) 53
D.) 55
E.) 56
Click here to see answer by rothauserc(4718)  |
Question 1070369: I tried using the sto key for this on my calculator but I don't think I put it in properly. I tried different ways to substitute the answers with the questions but I couldn't find the solution. The question is:
'Maria's 7-hour drive to college was 355 miles long. She averaged 45 miles per hour for the first 2 hours. Which of the following is closest to her average speed in miles per hour, for the remainder of her drive?
A.) 38
B.) 51
C.) 53
D.) 55
E.) 56
Click here to see answer by ikleyn(52752)  |
Question 1070505: A man takes 5 hours and 20 minutes to row 6 miles up a river and back. If he can row 3 miles downstream in the same time that he can row 1 mile upstream, find the rate at which he rows and the rate of the current.
Click here to see answer by ikleyn(52752)  |
Question 1070567: This problem outlines how Eratosthenes of Cyrene approximated the diameter of the earth in approximately 200BC. By observing the shadow of the sun at noon he recognized that his home town of Alexandria was approximately 7.2∘north of the town of Syene. He paid somebody to walk and measure the distance between Syene and Alexandria. Suppose it is 787 km. Based on these figures, what is the circumference of the earth in kilometers.
Click here to see answer by Boreal(15235)  |
Question 1070600: The speed of the current in a river is 6 mph. A ferry operator who works that part of the river is looking to buy a new boat. Every day, his route takes him 22.5 miles against the current and back to his dock, and he needs to make this trip in a total of 9 hours. he has a boat in mind, but he can only test in on a... show more he speed of the current in a river is 6 mph. A ferry operator who works that part of the river is looking to buy a new boat. Every day, his route takes him 22.5 miles against the current and back to his dock, and he needs to make this trip in a total of 9 hours. he has a boat in mind, but he can only test in on a lake where there is no current. How fast must the boat go on the lake in order for it to serve the ferry operator's needs?
Click here to see answer by ikleyn(52752)  |
Question 1070717: Yesterday, Linda went on a bike ride. He average speed was 9MPH. Today, she went on another ride, this time averaging 14MPH. In the two days, she biked for a combined total time of 9 hours let x be the number of hours she biked yesterday. Write an expression for the combined total number of miles she biked in the two days.
Click here to see answer by addingup(3677)  |
Question 1070826: A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 45 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 60 mph. At what time will the trains meet?
Click here to see answer by josmiceli(19441)  |
Question 1070899: two cars leave towns 480 kilometers apart at the same time and travel toward each other. One car's rate is 20 kilometers per hour less than the other's. If they meet in 3 hours, what is the rate of the slower car?
Is this correct?
3r+3(r-20)=480
3r+3r-60=480
6r-60=480
6r/6=540/6
r=90 ???? rate of the slower car? and is there a way to check this myself?
Click here to see answer by addingup(3677)  |
Question 1070899: two cars leave towns 480 kilometers apart at the same time and travel toward each other. One car's rate is 20 kilometers per hour less than the other's. If they meet in 3 hours, what is the rate of the slower car?
Is this correct?
3r+3(r-20)=480
3r+3r-60=480
6r-60=480
6r/6=540/6
r=90 ???? rate of the slower car? and is there a way to check this myself?
Click here to see answer by Theo(13342)  |
Question 1071054: A passenger train traveled 180 miles in the same amount of time it took a freight train to travel 120 miles. The rate of the freight train was 15 miles per hour slower than the rate of the passenger train. Find the rate of the passenger train.
Click here to see answer by josgarithmetic(39613) |
Question 1071054: A passenger train traveled 180 miles in the same amount of time it took a freight train to travel 120 miles. The rate of the freight train was 15 miles per hour slower than the rate of the passenger train. Find the rate of the passenger train.
Click here to see answer by ikleyn(52752)  |
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