Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 722760: while riding her bike to the ocean and back home 6 times Margaret timed herself at 52 min, 61 min, 41 min, 55 min, 48 min, and 55 min. she had set a goal of averaging 52 min for her rides how many minutes will she spend on her seventh ride to attain her goal? I figured you would add all of them up and keep trying to plug a number in till when you divided by 7 that it equaled 52 but that diddn't work?
Click here to see answer by solver91311(24713)  |
Question 722710: a candy truck leaves the store at 5:00 am each mornng on its 144 mile route.one day the driver gets a late start and does not leave the store until 5:30 am. to finish his route on time the driver drives 4 miles per hour faster than usual.at what speed does he usually drive ?
Click here to see answer by josgarithmetic(39613) |
Question 723216: a freight train leaves a station and travels north at 60 mph. two hours later, a passenger train leaves on a parallel track and travels north at 100 mph. how long will it take the passenger train to overtake the frieght train? how far from the station will they meet
Click here to see answer by josmiceli(19441)  |
Question 723260: A helicopter leaves the air station going 180 mph. 30 minutes later an airplane leaves going 330 mph. How many minutes until the airplane catches up with the helicopter?
I set it up as 180x=330(x-30). I don't think it is right though. If you could please help solve this and give the steps too I would be very grateful. Thanks :)
Click here to see answer by Alan3354(69443)  |
Question 723205: A truck driver travels from New York to Chicago, a distance of 79
0 miles. The tri
p west took 12
hours while the
return
trip took 18 hours due to construction on I80. What
is
his
speed on the
eastbound leg?
What
is
h
is
speed on the
west
bound leg?
What is his average speed?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 723432: a passenger train leaves chicago at the same time a freight train leaves new york. the trains are headed towards each other on parallel tracks. they meet in 4 hours. the two cities are 560 miles apart. if the freight train is traveling 20 mph slower than the passenger train, find the speed of each train.
Click here to see answer by mananth(16946)  |
Question 723647: There was a road around a circular lake. A man and his brother each started in the same place and drove around the lake at exactly the same speed, but in opposite directions. The first brother went clockwise around the lake at 40 mph, and the trip took him an hour and 20 minutes. The second brother went counterclockwise around the lake--also at exactly 40 mph--but his trip only took him 80 minutes. Each traveled exactly the same distance: 53.33 miles. How is that possible?
Click here to see answer by richwmiller(17219)  |
Question 723684: Two trains leave stations 456 miles apart at the same time and travel toward each other. One train travels at 100 miles per hour while the other travels at 90 miles per hour. How long will it take for the two trains to meet?
Click here to see answer by josmiceli(19441)  |
Question 723720: The Burbank Buy More store is going to make an order which will include at most 60 refrigerators. What is the maximum number of TVs which could also be delivered on the same 18-wheeler? Describe the restrictions this would add to the existing graph.
The next day, the Burbank Buy More decides they will have a television sale so they change their order to include at least 200 TVs. What is the maximum number of refrigerators which could also be delivered in the same truck? Describe the restrictions this would add to the original graph.
An incorporation of the following math vocabulary words into your discussion. Use bold font to emphasize the words in your writing (Do not write definitions for the words; use them appropriately in sentences describing your math work.):
Solid line
Dashed line
Parallel
Linear inequality
Test point
Click here to see answer by solver91311(24713)  |
Question 723626: Mr. Wong has a creepy girlfriend. She sleep walks during the night and travels 50 km directly north. She then turns and heads 22 degrees north of east for 90km. She then turns directly east and walks for 10 km. draw and label her path. Also if mr wong leadhes a dog behind her what is the shortest path she can take to run back home and in what direction must she travel?
Click here to see answer by lynnlo(4176) |
Question 723746: A company that makes thing-a-ma-bobs has a start up cost of $30852. It costs the company $1.79 to make each thing-a-ma-bob and the company charges $4.75 for each thing-a-ma-bob. Let represent the number of thing-a-ma-bobs made.
Write the cost function for this company. = c (x) = 30852 + 1.79
Write the revenue function for this company. = r (x) = 4.75x
Write the profit function for this company. = p(x) = r(x) - (c)x = 4.75x - (30852 + 1.79x)
What is the minimum number of thing-a-ma-bobs that the company must pruduce and sell to make a profit? I am having a hard time figuring this last one out..
Answer =
Click here to see answer by lynnlo(4176) |
Question 723746: A company that makes thing-a-ma-bobs has a start up cost of $30852. It costs the company $1.79 to make each thing-a-ma-bob and the company charges $4.75 for each thing-a-ma-bob. Let represent the number of thing-a-ma-bobs made.
Write the cost function for this company. = c (x) = 30852 + 1.79
Write the revenue function for this company. = r (x) = 4.75x
Write the profit function for this company. = p(x) = r(x) - (c)x = 4.75x - (30852 + 1.79x)
What is the minimum number of thing-a-ma-bobs that the company must pruduce and sell to make a profit? I am having a hard time figuring this last one out..
Answer =
Click here to see answer by DrBeeee(684) |
Question 723743: A motorist leaves Shellberg at 6:18 am, drives the 241 miles to Peakview , takes a 1 hour and 25 minute break and then drives a further 207 miles to Mooseville, arriving at 9:38 pm.
(a) Assuming the motorist drives at a constant speed throughout the journey, at what speed (to the nearest mile per hour) does he/she travel?
Answer: 32 miles per hour
(b) If the motorist had gone 16 miles per hour faster than the speed you recorded in part (a), at what time (to the nearest minute) would he or she arrive?
Answer: ? pm
(c) If the motorist had gone 20 miles per hour faster than the speed you recorded in part (a), at what time (to the nearest minute) would he or she arrive?
Answer: ? pm
Click here to see answer by lynnlo(4176) |
Question 723868: Please help! Thank you in advance!
Two ships A and B start from the same port at 8am. Ship A heads north 62 degrees 15 minutes east with a speed of 12 km/hr. Ship B takes the course of north 48 degrees 20 minutes west with the speed of 16 km/hr. How far apart are they at 10:45am? What is the bearing of B from A?
Click here to see answer by stanbon(75887) |
Question 723897: A motorist leaves Shellberg at 6:18 am, drives the 241 miles to Peakview , takes a 1 hour and 25 minute break and then drives a further 207 miles to Mooseville, arriving at 9:38 pm.
(a) Assuming the motorist drives at a constant speed throughout the journey, at what speed (to the nearest mile per hour) does he/she travel?
Answer: 32 miles per hour (I have this answer)
(b) If the motorist had gone 16 miles per hour faster than the speed you recorded in part (a), at what time (to the nearest minute) would he or she arrive?
Answer: pm (I know this would be 48 miles an hour.. which would be by my calculations 9 hours and 33 minutes.. when I subtract 1445 - 933 I get a difference of 5 hours and 12 minutes.. This not the right answer? Help please
(c) If the motorist had gone 20 miles per hour faster than the speed you recorded in part (a), at what time (to the nearest minute) would he or she arrive?
Answer: pm
Click here to see answer by KMST(5328)  |
Question 723900: Suppose that in the year 2000, the cost of a compact car averaged $ 12700 and that in 2003, the cost averaged $ 15100. Assuming that the relationship between year t and cost c is linear, develop a formula for predicting the average cost of a compact car in the future measuring the variable t as years since 2000.
my formula is Q=Q_(1+r)^ Q_ = 12,700 R = needed Q= 15,100 T= 3 ? I am lost after this
What do you predict the average cost of a compact car will be in the year 2007? .
Click here to see answer by josmiceli(19441)  |
Question 723944: A gas station sells 1600 gallons of gasoline per hour if it charges $ 2.15 per gallon but only 800 gallons per hour if it charges $ 2.55 per gallon. Assuming a linear model
(a) How many gallons would be sold per hour of the price is $ 2.50 per gallon?
Answer:
what I have so far is y2-y1..x2-x1 1600-800/2.15-2.55 = 800/.4 = 2000 m= 2000
m= 2000 y= 800 x= 2.55 +b 800=2000(2.55) +b (now i'm lost)
(b) What must the gasoline price be in order to sell 1200 gallons per hour?
Answer: $
(c) Compute the revenue taken at the four prices mentioned in this problem -- $ 2.15, $ 2.50, $ 2.55 and your answer to part (b). Which price gives the most revenue?
Answer: $
Click here to see answer by josgarithmetic(39613) |
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