Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 490026: An old bus and a new bus left the same station heading in the same direction at 5:00 am. The old bus was traveling at 40 miles per hour, and the new bus was traveling at 50 miles per hour. If the busses keep going at those rates without stopping, how far apart will they be at 10:00 am?
Click here to see answer by stanbon(57361) |
Question 490150: Suppose a gas tank for a car holds 12 gallons, and that the car uses 1/20 of a gallon per mile. Let X be the number of miles the car has gone since the tank was last filled.
A) Write an expression for the number of gallons left after "X" miles
B) How many gallons are left after 100 miles
C) Write an equation stating that 5 gallons are left , then solve it to find out how far the car has gone when 5 gallons remain.
D) How far has the car gone when it runs out of gas?
Click here to see answer by josmiceli(9686)  |
Question 490197: Two planes flew in opposite directions, the average speed of plane A is 332 km/hr, while plane B travels at an average speed of 298 km/hr, my question is that, how many kilometers apart will they be after 30 minutes?
Click here to see answer by mananth(12270)  |
Question 490621: Your car's gas tank is full and you take a trip. You travel 209 miles, then you fill your gas tank up again and it takes 10.0 gallons. If you designate your change in distance as 209 miles and your change in gallons as 10.0, what is the average rate of change of gasoline used, measured in gallons per mile?
Click here to see answer by ankor@dixie-net.com(15656)  |
Question 490780: This the answer a got for part A of the problem I submitted which is 1B
1.Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: -2, where C is a constant and r is the distance in miles that the object is from the center of the earth.
1A) Solve the equation w = Cr-2 for r. I do have the answer, so could please answer the question 1B,
This is my question
1B. Suppose that an object is 150 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth
Click here to see answer by stanbon(57361) |
Question 490785: in the morning, maria drove to a business appointment at 70 mph. Her average speed on the return trip in the afternoon was 60 mph. The return trip took 1/6 hr longer because of heavy traffic. How far did she travel to the appointment?
Click here to see answer by Alan3354(30993)  |
Question 490999: Lakeview is 69 miles from Springfield. Irania must go to the library in Springfield to get a document for the law firm for which she works. Find how long it takes for her to drive round-trip if she averages 43 mph.
Click here to see answer by Alan3354(30993)  |
Question 491200: A police car leaves in pursuit of holdup car 0.5 hours after the latter has left the scene of the crime at 86mi/hr. How fast in mi/hr must the police car go if it is to catch up with the holdup car in one hour?
Click here to see answer by Alan3354(30993)  |
Question 491604: Your friend's family moved to a town 300 miles from where you live. You and your friend decide to meet halfway between the two towns to visit. Your friend averages 50 miles for hour on his trip. You average 60 miles per hour on your trip. If you and your friend leave at the same place, how much earlier do your arrive at the same place?
I don't understand how to come up with an equation for this problem.
Click here to see answer by ankor@dixie-net.com(15656)  |
Question 491891: An aircraft carrier left Hawaii traveling west seven hours before a container ship. The containe ship traveled in the opposite direction going 5 km/h slower than the aircraft carrier for six hours. At this time the ships were 540 km apart. Find the speed of both ships.
I can't figure out how to set up the equation.
Click here to see answer by ccs2011(207)  |
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