Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 343482: expected to maintain an average speed of 60 mph for 2 miles, unfortunately engine develops a miss can only maintain 30 mph for the first mile. How fast must you drive the second mile to meet overall average speed requirement?
Click here to see answer by solver91311(16868)  |
Question 343669: A fire truck is called into a scene. Three minutes later, a second truck is called. The first truck averages on 30 miles per hour, but the second truck averages 60 miles per hour. The trucks travel a total of 12 miles and arrive at the same time.
How long from the first call did the trucks take to arrive? How far did each travel?
Click here to see answer by solver91311(16868)  |
Question 343639: Larry starts cycling at 20 mi/hr. One hour later, Rebecca starts cycling from the same place at 25 mi/hr, going in the same direction on the same road as Larry. How long will it take Rebecca to catch up to Larry?
*Someone told me to do
20T = 25(T-1)
20T = 25T - 25
20T - 25T = -25
-5T = -25
T = -25/-5
T = 5 hours.
I am not sure if this is right? If it is right, I don't understand what everything stands for or the formula used. I need an explanation please.
Click here to see answer by ankor@dixie-net.com(15638)  |
Question 343639: Larry starts cycling at 20 mi/hr. One hour later, Rebecca starts cycling from the same place at 25 mi/hr, going in the same direction on the same road as Larry. How long will it take Rebecca to catch up to Larry?
*Someone told me to do
20T = 25(T-1)
20T = 25T - 25
20T - 25T = -25
-5T = -25
T = -25/-5
T = 5 hours.
I am not sure if this is right? If it is right, I don't understand what everything stands for or the formula used. I need an explanation please.
Click here to see answer by scott8148(6628)  |
Question 343783: A train leaves a station at 12:00pm and travels at a constant speed of 75Km/h. another train leaves at the same station at 3:00pm and travelling at a constant speed of 100 mi/h. What time both the train reads firdt? How far away is the station?
Click here to see answer by Fombitz(13828)  |
Question 344013: two cars are traveling in the same direction on a road. the car that leads is traveling at 46 miles per hour. the other car is traveling at 70 miles per hour how many miles apart will they be 30 minutes before the faster car catches the slower car?
Please answer my pre algebra ?
Click here to see answer by solver91311(16868)  |
Question 344040: a bus traveled from one city to another at an average rate of 50 mph. on the return trip, the average rate was 45 mph and the elapsed time was 15 minutes longer. What is the total distance traveled?
I know that it is a distance problem. D=R*T. Where R=50 mph and R=45 mph. How do I find the total time? The elapsed time is confusing me.
Click here to see answer by Fombitz(13828)  |
Question 344043: A plane traveling from Minneapolis to Denver travels 693 miles in 1 hour 57 minutes. Another plan e flies from San Francisco to New York, a distance of 2570 miles, in 5 hours 45 minutes. Which plane has a faster average speed, and by how much?
Click here to see answer by Fombitz(13828)  |
Question 343880: Candle A and candle B are of the same length. Candle A, which is broader, can burn for 5 h while Candle B, the thinner candle, can burn for 4 h. If both candles are lighted at the same time, how long does it take for Candle A to be twice as long as Candle B?
Click here to see answer by ankor@dixie-net.com(15638)  |
Question 344165: I need help solving this problem. Please help.
The problem:
Hal hiked half his planned trip the first day. Because he became tired, he covered only half of the remaining distance on the third day. On the fourth day, he hiked three miles, which was one-fifth of the number of miles left. How many miles did he hike during the four days?
I tried doing this equation, but I was not sure if I did it right:
1/2x+1/3x+1/4x+3=15
Click here to see answer by josmiceli(9661)  |
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