Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 574369: Flying to Moscow with a tailwind a plane averaged 142 km/h. On the return trip the plane only averaged 76 km/h while flying back into the same wind. Find the speed of the plane in still air and the speed of the wind.
Click here to see answer by Alan3354(69443)  |
Question 574461: during the first part of the trip a canoeist travels 40 miles at a certain speed the canoeist travels 20 miles on the seconf part of the trip at a speed 5 mph slower the total time for the trip is 3 hours what was the speed on each part of the trip?
Click here to see answer by mananth(16946)  |
Question 574714: at 3:25 pm 2 trains left the station. one traveled west at a constant speed of 88 mph the other traveled east at a constant speed of 66 mph. If they are now 111 miles apart what time is is now? write and solve an equation (or system of equations) to answer this question.
Click here to see answer by ad_alta(240)  |
Question 574962: Suppose you combine ingots of 25% copper alloy and 50% copper alloy to create 40 kg of 45% copper alloy. How many kilograms of each do you need?
Select one:
a. 80 kg 25% alloy; 40 kg 25% alloy
b. 32 kg 50% alloy; 8 kg 25% alloy
c. 0 kg 25% alloy; 40 kg 50% alloy
d. 25 kg 50% alloy; 15 kg 25% alloy
I need help can't get the answer!
Click here to see answer by Theo(13342)  |
Question 575063: I rowed 20 km up a river that had a steady current in 5 hours and returned downstream in 2.5 hours. How fast would I have rowed the boat in still water, and what is the speed of the current?
Let x be the speed of the boat in still water and y the speed of the current (km/h). The speed of the boat going upstream is (x –y) km/h and the speed of the boat going downstream is (x+y) km/h,.
Click here to see answer by stanbon(75887) |
Question 575097: Two trains approach one another along (straight) parallel tracks. They start out at the same time from stations 90 km apart. One train travels at 100 km per hour, the second train at 80 km per hour. How far has the faster train gone when they pass each other?
Click here to see answer by josmiceli(19441)  |
Question 575446: Please help me solve this word problem. I know the basic formula is rt=d but i don't know how to apply the words to the formula to solve.
Joe flew 300 miles with the wind in two hours. After flying against the wind for two hours, he made 270 miles of the return trip. Find the wind speed and the speed of the plane in still air.
Click here to see answer by solver91311(24713)  |
Question 575446: Please help me solve this word problem. I know the basic formula is rt=d but i don't know how to apply the words to the formula to solve.
Joe flew 300 miles with the wind in two hours. After flying against the wind for two hours, he made 270 miles of the return trip. Find the wind speed and the speed of the plane in still air.
Click here to see answer by josmiceli(19441)  |
Question 575446: Please help me solve this word problem. I know the basic formula is rt=d but i don't know how to apply the words to the formula to solve.
Joe flew 300 miles with the wind in two hours. After flying against the wind for two hours, he made 270 miles of the return trip. Find the wind speed and the speed of the plane in still air.
Click here to see answer by Edwin McCravy(20054)  |
Question 575458: Car A passes point O heading east at a constant rate of 40 mph; Car B passes the same point one hour later heading north at a constant rate of 60 mph. Express the distance between the cars as a function of time t, where t is measured starting when car B passes point O.
Click here to see answer by solver91311(24713)  |
Question 575190: A diesel train left the station and travled toward the outer-most station at an average speed of 30 km/h. A cattle train left some time later traveling in the opposite direction with an average speed of 70 km/h. After the trains had traveled for 17 hours they were 790 km apart. How long did the cattle train teavel?
The answer is 4 hours, but I'm not sure how to solve it. Any help is greatly appreciated!
Click here to see answer by chana(69)  |
Question 575892: Please help me on this:
A racing snail quickly slows down before crashing into a pedestrian along the race course it was moving at a rate of 100cm/min and dropped it's speed down to 40cm/min in only 3 seconds. What was it deceleration rate?
Click here to see answer by josmiceli(19441)  |
Question 576080: For her workout, Sarah walks north at the rate of 2 mph and returns at the rate of 4 mph. How many miles does she walk if the round trip takes 3.5 hours? (Enter your answer as a decimal rounded to the nearest tenth of a mile.)
Click here to see answer by solver91311(24713)  |
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