Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 313651: I had this question to answer and I'm not sure if the calcualtions are correct. Can someone give me some direction. Thanks
A ball drops from a certain height rises after bouncing to 40% of its original height. After bouncing if the ball rises to 2 ½ ft. What is the height from which it was dropped?
a = b x r x100
a = 2 ½ x 40% (Change 2 ½ to decimal and 40% to a decimal)
a = 2.5 x .40 x 100
a = 2/5 x .40 = 1 ft.
Click here to see answer by Alan3354(69443)  |
Question 313761: Mr. Abbot left Farmersville in a plane at noon to travel to Exeter. Mr. Baker left Exeter in his automobile at 2pm to travel to Farmersville. It is 400 mi from Exeter to Farmersville. If the sum of their speeds was 120mph, and if they crossed paths at 4pm, find the speed of each.
x= speed of plane
y= speed if automobile
The system is
x+y=400
4x+4y=120
Click here to see answer by mananth(16946)  |
Question 314004: Two cars leave philadelphia, one traveling north and the other traveling south. After 3 hours, they are 297 miles apart. If one car is traveling 5 miles per hour faster than the other, what is the speed of each?
Click here to see answer by stanbon(75887) |
Question 314008: A car travels 70 miles per hour. How far does the car travel in 4 hours and 15 minutes?
2.A car travels 320 miles on 15 gallons of gasoline. The best estimate of the car's miles per gallon is
3.Marla has 80 coins. If 15% of the coins are dimes, how many of the coins are not dimes?
4.Yesterday in Juneau, Alaska it was -20 degrees and in San Diego, California it was 75 degrees. What was the difference in temperature between these two cities?
5.One English pound (money) is worth about $1.75 in U.S. currency. Which is approximately equal to $350 U. S. dollars?
Click here to see answer by rfer(16322) |
Question 314022: A train leaves the station traveling at 119 km/hr. Two hours later, a train leaves the station traveling in the opposite direction at 90 km/hr. How long after the second train left the station were they 420 km/hr apart?
Click here to see answer by rfer(16322) |
Question 314090: On a recent trip, George traveled 300 miles. The number of miles of highway driving was 4 times the number of miles of city driving. If his car gets 20 miles to the gallon in city driving, and 30 miles to the gallon on the highway, how much gas did he use?
Click here to see answer by mananth(16946)  |
Question 314060: The speed of rain A travels t10 miles slower than train B. Train A traveled 200 miles in the same time it took train B to go 250 miles. find the speed for train A and B. Is the formula for this d=k-r2? Or how would I figure this out.
Click here to see answer by mananth(16946)  |
Question 314167: Two cars leave town at the same time traveling in opposite directions. One car travels at a rate of 60 miles per hour. The other car travels at a rate of 70 miles per hour. How long will it take them to arrive at a point where they are 650 miles apart?
Click here to see answer by checkley77(12844) |
Question 314315: Two trains traveled in the opposite directions from the same starting point. The rate of one train was 20 km/h faster than the rate of the other. After 2 hours, they were 360km apart. Find the rate of each train and show your work.
Thanks for you help
Click here to see answer by rfer(16322) |
Question 314421: Please help with this question.
A water rocket is launched upward with an initial velocity of 48 ft/sec. It's height h, in ft after t seconds is given by h=48t-16t^2. After how many seconds will the rocket hit the ground? Please show all work necessary to arrive to the solution.
Click here to see answer by Fombitz(32388)  |
Question 314426: a marine platoon went on a 20 mile hike that took 6 hours to complete. for the first 12 miles he hiked at a constant spped. FOR THE LAST 8 MILES HE INCREASED HIS SPEED BY 1 MPH, FIND THE SPPED OF THE PLATOON ON THE LAST PART OF HIS HIKE.
Click here to see answer by Fombitz(32388)  |
Question 314471: An automobile travels from point A to point B at a speed of 40 km/h. How fast must it travel in the opposite direction to achieve an average speed of 50 km/h for the round trip?
(A) 50 km/h (B) 58 km/h (C) 60 km/h (D) 66• km/h (E) Not enough
Information
Click here to see answer by malaydassharma(59)  |
Question 314312: A marine platoon went on a 20 mile hike that took 6 hours to complete. for the first 12 miles the platoon hiked at a constant speed. For the last 8 miles he increased his speed by 1 mph. find the speed for the last part of the hike.
Click here to see answer by Fombitz(32388)  |
Question 314528: A group of college students, anxious to get to florida on spring break, drove the 650 mile trip with minimal stops. They computed their average speed for the trip to be 65.5 mi/hr. How many hours did the trip take?
Click here to see answer by eshomali(33)  |
Question 314528: A group of college students, anxious to get to florida on spring break, drove the 650 mile trip with minimal stops. They computed their average speed for the trip to be 65.5 mi/hr. How many hours did the trip take?
Click here to see answer by rapaljer(4671)  |
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