Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 317026: At 5pm, Jill leaves New York City and travels toward Boston at an average rate of 56 miles per hour. At 6pm, Billy leaves Boston and travels toward New York, on the same road as Jill, at an average rate of 50 miles per hour. If they were initially 215 miles apart, at what time do Billy an Jill pass each other?
Remarks: I know we are trying to solve for 't' here, but I'm not sure how to setup the problem. Should Jill be setup as (t+1) or Billy should?? Thanks for your help.
Click here to see answer by mananth(16946)  |
Question 317067: A car traveling 60mph overtakes a motorcycle traveling 40mph. The motorcycle had a two hour head start. How far from the starting point are the car and motorcycle?
I am having a hard time solving this equation. I know the formula D=R X T, but I'm not sure where to start.
Click here to see answer by Fombitz(32388)  |
Question 317230: A ball is thrown across a playing field. Its path is given by the equation y=-0.005x^2+x+5. Where x is the distance the ball has traveled horizontally and y is its height above ground level, both measured in feet.
a. What is the maximum height attained by the ball?
b. How far has it traveled horizontally when it hits the ground?
Click here to see answer by nerdybill(7384)  |
Question 317150: When a car traveling on wet pavement at a speed V in miles per hour stops suddenly, it will produce skid marks of length S feet according to the formula
V=2(!3S)
If the length of the skid mark S (for a car that was in an accident)was 243 feet,
A) to find the speed V of a car.
B) If the speed limit on that road was 40 miles, by how many miles did the driver exceed the speed limit?
Click here to see answer by Fombitz(32388)  |
Question 317234: A new computer can process a company's monthly payroll in 1 hour less time than the old computer. To really save time, the managert user both computers finished the payroll in 3 hours. How long would it take the new computer to do the payroll by itself?
Click here to see answer by checkley77(12844) |
Question 317173: The river is flowing from point A to B at a rate of 15 miles per hour. A boat moves on still water at 45 miles per hour. If it takes David 1 hour and 15 minutes to ride the boat on the river from A to B, how long does it take him to make the return trip from B to A?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 317265: An airplane is flying at a speed of 350 mi/h at an altitude of one mile. The plane passes directly above a radoar station at time t=0
a. Express the distance s (in miles) between the plane and the radar station as a function of the horizontal distance d (in miles) that the plane has flown.
b. Express d as a function of the t (in hours) that the plane has flown.
c. Use composition to express s as a function of t.
Click here to see answer by Fombitz(32388)  |
Question 317526: Car A is currently 80 km south of a perpendicular intersection with an east-west road. Car B is on the east-west road, 260 km west of the same intersection. Car A is travelling north at 80 km/h; Car B is travelling east at 100 km/h. Assuming that the cars will continue in a straight line with constant velocities, after 2 hours how fast is the distance between the two cars changing?
Click here to see answer by Fombitz(32388)  |
Question 317590: In a family there are two cars. In a given week, the first car gets an average of 15 miles per gallon, and the second car gets 35 miles per gallon. The two cars combined drive a total of 1575 miles in that week, for a total gas consumption of 65 gallons. How many gallons were consumed by each of the two cars that week?
Click here to see answer by mananth(16946)  |
Question 317793: a motorboat can maintain a constant speed of 16 mile per hour relative to the water. the boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. what is the speed of the current?
Click here to see answer by mananth(16946)  |
Question 317855: A student walks and jogs to college each day. she averages 5km/h walking and 9km/h jogging. The distancefrom home to college is 8km and she makes the trip in 1 hour. How far does the student jog?
I can't seem to get it set up right to get the correct calculation. I used 5km(X) +9 km(y) = 8km.
Click here to see answer by mananth(16946)  |
Question 317878: I need help finding the equation
The altitude of the peak of Mt. Everest is 29,028 feet. The world’s greatest known ocean depth of -36,201 feet was recorded in the Marianas Trench. How many feet above the bottom of the Marianas Trench is a climber who has reached the top of Mt. Everest?
Click here to see answer by stanbon(75887) |
Question 318312: On a road trip they drove 55 miles per hour to California, on the way home they drove 65 miles per hour. How many miles did they drive on the way to California if the round trip took 10 hours?
I know it's D = RxT, so I plug in 55 and 65 as rate and is time 60?...I'm totally lost...
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 318359: A tank can be filled using pipes A, B, or both. It takes pipe A, running alone, 18 hours to fill the tank. It takes both pipes, running together, 9.9 hours to fill the tank. How long does it take pipe B, running alone, to fill the tank?
Click here to see answer by stanbon(75887) |
Question 318573: soybean meal is 12% protein cornmeal is 6% protein. how many pounds of each should be mixed together to get 240 lb mixture tht is 8% protein?
pounds of cornmeal in mixture [160 lbs.]
pounds of soybean in mixture [80 lbs.]
Click here to see answer by checkley77(12844) |
Question 318566: Train A and B are traveling parallel. Train a is traveling 100 miles per hour and tain b is traveling at 125 miles per hour. train a passes the statin at 7:10 pm and train b passes at 7:22 pm. waht time will train b cath up to train a?
Click here to see answer by checkley77(12844) |
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