Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 466029: Last month, Jacob traveled from Miami to New Orleans by train and made two stops along the way. The average speed for the three legs of his trip is defined as v1, v2, v3 respectively. The average speed for the entire trip is given by
3
____________
1---1---1
__ + ___ + __
v1----v2----v3
a. Simplify the complex fraction.
b. Find the average speed for the entire trip when v1 = 101mph, v2 = 71mph,
v3 = 106mph. Round to the nearest mph.
a. 3v1 v2 v3
-------------
v1v2+v1v3+v2v3; b. 91mph
b. 3v1 v2 v3
-------------
v1+V2+v3-----; b. 93mph
c. 3v1v2v3
------------
v1+v2+v3----; b. 90mph
d. 3v1v2v3
------------
v1v3+v2v3---; b. 93mph
e. 3v1v2v3
------------
v1v2+v1v3+v2v3 ; b. 90mph
Click here to see answer by solver91311(16877)  |
Question 466077: A bus leaves the town at noon heading for the airport, 400 miles away. A bus leaves the airport at the same time, heading to the town at 30 m.p.h. If the two buses meet at 5 P., what is the rate of the first bus?
Click here to see answer by jorel1380(2518)  |
Question 466099: Sally and Rockey travel on motorcycles toward each other from Chicago and Indianapolis, which is 350 km apart, and they are biking at rates of 110km/h and 90km/h. They started at the same time. In how many hours will they meet.
Click here to see answer by ewatrrr(10682)  |
Question 466112: A plane took 3 hours to get from Chicago to New York with a tailwind of 30 mph. It took 4 hours to make the return trip with a headwind of the same speed, 30 mph. How fast was the plane traveling in still air?
Click here to see answer by ewatrrr(10682)  |
Question 466446: A jet flew at an average speed of 640mph from Los Angeles to Chicago.
Because of head winds the jet averaged only 512 mph on the return trip, and
the trip took 48 minutes longer.
A. How many hours was the flight from Chicago to Los Angeles?
B. How far is it from Chicago to Los Angeles?
I really need help with this problem. I am really confused and have no idea
how to figure this problem out. Can you please help me?
Thank you kindly.
Click here to see answer by mananth(12270)  |
Question 466586: Hello,
I have a question I need help with. Your time is appreciated.
Two cars are 400 miles apart. Both start at the same time and travel toward one another. They meet 4 hours later. If the speed of one car is 20 miles per hour faster than the other, what is the speed of each car?
Thank you
Click here to see answer by Alan3354(30993)  |
Question 466565: Hello,
I have a question I need help with. Your time is appreciated.
From a point on a straight road, two cars are driven in opposite directions, one at 47 mph and the other at 51mph. In houw many hours will they be 392 miles apart?
Thank you
Click here to see answer by rfer(12657) |
Question 466565: Hello,
I have a question I need help with. Your time is appreciated.
From a point on a straight road, two cars are driven in opposite directions, one at 47 mph and the other at 51mph. In houw many hours will they be 392 miles apart?
Thank you
Click here to see answer by sudhanshu_kmr(1152)  |
Question 465785: 5. For this question, you will need a parent/guardian or a friend. Have this individual grab a handful of coins making sure there are only two types of coins in the group (i.e., nickels and dimes, quarters and pennies, pennies and dimes, etc). Your parent/guardian or friend should tell you the type of coins they’ve chosen, how many coins they have and the dollar amount of the group. From this information, you will set up two sets of equations and determine how many of each coin they have in their hand. Please send your instructor the name of the individual who helped you with this question, your two equations and the work you did to solve the system. (2 points)
Click here to see answer by richard1234(5390)  |
Question 466759: A relay race required runners to run from Point A to Point B and then back to point A. the distance from A to B = 22km.
On the return trip (Point B to Point A) the runners average speed decreased by (1.2km/hr).
If the relay took 10.5 hours to complete, what was the average speed from Point A to Point B.
Thank You
Click here to see answer by ankor@dixie-net.com(15646)  |
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