Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 142395: Car rental agency A will rent a car for $35 per day and an additional charge of $.24 per mile. Car rental agency B will only charge $.16 per mile but charges $41 per day. If adam wanted to rent a car for 3 days, how many miles would adam have to drive to make car rental agency b a better bargain?
Click here to see answer by jojo14344(1513)

Question 142465: Find a counterexample to the statement " The square of a number added to the sum of the number and five is a prime number."
Click here to see answer by stanbon(75887)

Question 142581: A twirler throws a baton with an initial upward velocity of 20 meters per second given by the equation: h(t)=20t-5tsquared. When will the baton be back at the twirler's level? After how many seconds will the baton reach its maximum height? :)
Click here to see answer by scott8148(6628)

Question 142582: A can of frozen orange juice is taken from the freezer and gradually warmed. the equation, T = 3x-6 gives the Celsius temperature T of juice x minutes after it is removed from the freezer. Find and discuss the meaning of the T-intercept.

Click here to see answer by vleith(2983)

Question 142668: The sum of a number and its square is 156. What is the number?
Click here to see answer by bebedeeb(7)

Question 142707: 3 times the first of three consecutive numbers is 4 more than 2 times the second.
Click here to see answer by oscargut(2103)

Question 142784: Mark can overhaul an engine in 20 hours and Phil can do the same job by himself in 30 hours. If they both work together for a time and then Mark finishes the job by himslef in 5 hours. How long did they work together?
Click here to see answer by scott8148(6628)

Question 142805: Choose the most reasonable measure.
The hieght of a bookshelf.
12cm
12m
1.2m
Click here to see answer by MathLover1(20849)

Question 142783: Thank you in advance for your help with this problem. How many liters of 60% acid solution must be added to 14 liters of a 10% acid solution to produce a 25% acid solution?
Click here to see answer by scott8148(6628)

Question 142766: Write an algebraic expression to answer the question below.

How many days are there in w weeks?

Click here to see answer by scott8148(6628)

Question 142824: As an employee for the environmental protection agency, you have been to examine the pollution level in stinky pond. This pond holds 50,000 gallons of water and contains 20 pounds of pollution. The pollution is dissolved in the pond and is evenly distributed throughout. Each week. Half of the polluted water pours out of the pond and is replaced by equivalent amount of rainwater containing 5 pounds of pollution.
How much pollution remains in the pond after 267 weeks?
Click here to see answer by stanbon(75887)

Question 142782: Thank you in advance for your help. An airplane travels 2050 miles in the same time that a ccar travels 260 miles. If the rate of the plane is 358 miles per hour faster than the rate of the car find the rate of the plane.
Click here to see answer by checkley77(12844)

Question 142855: Solve by substitution or elimination and specify which method you did:
6x + 2y = 10
5x - 3y = 27
(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by jim_thompson5910(35256)

Question 142853: Graph on a rectangular coordinate system:
y > x + 2
(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by jim_thompson5910(35256)

Question 142856: The process of writing a quadratic equasion in the form (x + a)^2 = b is known as?__________________________
(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by psbhowmick(878)

Question 142859: If (x) = x-3/5, then the value of f(8) equals...
(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by psbhowmick(878)

Question 142861: 3w + 18/w^2 - 36 [divided by] w^2 + 3w - 18/w^2 - 3w - 18

(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by jim_thompson5910(35256)

Question 142862: A jar contains 15 blue and 10 red marbles.
a) If one marble is drawn at random, what is the probability that it is red?
b) If two marbles are drawn at random, what is the probability that the first is red and the second is blue if the first marble is replaced in the jar prior to drawing the second marble?
c) What is the probability that both are red if the first marble is not returned to the jar prior to drawing the second marble?

(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by psbhowmick(878)

Question 142858: Give an example of a real number that is not a rational number.____________

Write the quadratic formula.__________________________________
(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by psbhowmick(878)

Question 142860: -9^2/(-2)^2

(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by Fruglemiester1234(13)

Question 142864: solve by factoring:
16x^2 - 81 = 0

solve by completing the square:
6x - 2 = x^2

solve by the quadratic formula:
8x + 4 = 2x^2

(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by nabla(475)

Question 142863: Which of these sets represents a function:
a) (2,-2), (3,-2), (2,3)
b) (9,pi), (5,7), (4,pi)
c) both
d) neither
PS: When I say pi I mean the pi sign thing.. The 3.14...Thing

(PS: Please show how you worked it out. I have been having mojor problems with these kinds of questions. Thanks.)
Click here to see answer by vleith(2983)

Question 142904: The Rocky Mountain district sales manager of Rath Publishing, Inc., a college textbook publishing company, claims that the sales representatives make an average of 40 sales calls per week on professors. Several reps say that this estimate is too low. To investigate, a random sample of 28 sales representatives reveals that the mean number of calls made last week was 42. The standard deviation of the sample is 2.1 calls. Using the 0.05 significance level, can we conclude that the mean number of calls per salesperson per week is more than 40? (Remember to complete the 5 step hypothesis testing procedure to answer this question).
Click here to see answer by stanbon(75887)

Question 142998: Plese help me solve this problem:
State whether set A and B are equal, equivalent, both, or neither.
A = {9, 8, 10} B = {8, 9, 10}

Click here to see answer by vleith(2983)

Question 143024: I have already asked this question but can not find the solution. Thank you in advance for your help!!!!!!!!!!!!1 A precinct reported that 316 people had voted in an election. The number or Republican boters was 6 more than 2/3 the number of Democrats. How many of each party voted in that precinct??
Click here to see answer by scott8148(6628)

Question 143074: Translate to an algebra statement; do not solve:
Seven times the difference of six and twice a number yields the same result as the same number decreased by one.
Click here to see answer by stanbon(75887)

Question 143216: two pipes are pumping water into a 816 gallon well. if the first pipe can pump water at the rate of 120 gallons per hour and the second pipe can pump water at the rate of 32 gallons per hour, in how many hours will the well be filled?
Click here to see answer by checkley77(12844)

Question 143242: A farmer has 680 feet of fencing to enclose a pasture. Because a river runs along one side, fencing will be needed only on three sides. Find the dimensions of the pasture if its length is double its width.
Click here to see answer by zephyr(9)

Question 143252: Together Mary and Sara can mow a golf course in 15 hours. Alone it takes Mary 2 hours less than Sara. Find the time it takes each of them to mow the course alone. PLEASE HELP!!!! the answer is m=29 and s=31, but I don't know how to get there. HELP APPRECIATED!!!!
Click here to see answer by checkley77(12844)

Question 143250: Together Mary and Sara can mow a golf course in 15 hours. Alone it takes Mary 2 hours less than Sara. Find the time it takes each of them to mow the course alone. PLEASE HELP!!!! the answer is m=29 and s=31, but I don't know how to get there. HELP APPRECIATED!!!!
Click here to see answer by scott8148(6628)

Question 143256: ABE WOLF BOUGHT A NEW KITCHEN SET AT SEARS. ABE PAID OFF THE LOAN AFTER 60 DAYS WITH AN INTERST CHARGE OF $9. IF SEARS CHARGES 10% INTEREST, WHAT DID ABE PAY FOR THE KITCHEN SET (ASSUME 360 DAYS).
Click here to see answer by stanbon(75887)

Question 143084: A chicken farmer and his wife are having a discussion about the future of their farm. The husband says, "I think we should sell off 75 chickens, then we'd have enough feed for 20 days longer than it will last now." His wife, however, wants them to buy 100 more chickens, but he reminds her, "Dear, that will mean that we'll run out of feed 15 days sooner than it will last now."
How many chickens do they have right now, and how many days will their feed last?
Click here to see answer by ankor@dixie-net.com(22740)

Question 143329: An astronaut on the moon tosses a ball upwards; by how much will the height of the ball exceed 100 feet if the ball's heights follows:
h(t) = -2.6t^2 + 32.lt + 5.5
a. 0.1 feet
b. 5.6 feet
c. 105.6 feet
d. The ball never exceeds the 100-foot mark
Click here to see answer by stanbon(75887)

Question 143342: Rob can tar a roof in nine hours. One day hsi friend Kayla helped him and it only took 4.74 hours. How long would it take Kayla to do it alone?
Click here to see answer by ankor@dixie-net.com(22740)

Question 143386: A math class planned a field trip to a computer center. The trip cost $240 to be paid equally by each student. 4 students suddenly can't go. This increased the cost by $2 per student. How many students went to the computer center? HELP MUCH APPRECIATED!!!!
Click here to see answer by jim_thompson5910(35256)

Question 143415: Carla can ride her bike 2 mph faster than Karen. It takes Carla 48 minutes less to travel 50 miles than it does Karen. What is Carla's rate (mph)? HELP MUCH APPRECIATED!!!!
Click here to see answer by solver91311(24713)

Question 143385: The Calculator Club bought a $54 calculator for club use. If there had been three more students, each would have had to donate 20 cents less. How many students were in the club? HELP MUCH APPRECIATED!!!!
Click here to see answer by ankor@dixie-net.com(22740)

Question 143521: How much Flam would be needed to produce 10 pounds of Flim? When 52 pounds of Flam produce 13 pounds of Flim?
Click here to see answer by nabla(475)

Question 143521: How much Flam would be needed to produce 10 pounds of Flim? When 52 pounds of Flam produce 13 pounds of Flim?
Click here to see answer by vleith(2983)

Question 143527: Rachel allows herself 1 hour to reach a sales appointment 50 miles away. After she has driven 30 miles, she realizes that she must increase her speed by 15 mph in order to get there on time. What was her speed for the first 30 miles?
I am not sure which motion formula to use. Could you assist me with this problem?
Click here to see answer by ankor@dixie-net.com(22740)

Question 143541: Water is leaking out of an inverted conical tank at a rate of 10000cm^3/min at the same time water is being pumped into the tank at a constant rate. The tank has a height of 6m and a diameter of 10 m. If the water level is rising at a rate of 20 cm/min when the height of the water is 2m, find the rate at which the water is being pumped into the tank.
Click here to see answer by scott8148(6628)

Question 143982: Please help! :( How would I solve the below problem? And what is the final answer?
A scientist determined that the fruit fly population for his experiment is given by the equation: P(t)= 230 / 1+56.5e(exponent)-.37t where P(t) is the population of the fruit flies after t days.
(a) Find the number of fruit flies after 4 days
(b) What was the number of fruit flies at the beginning of the experiment.
Click here to see answer by jim_thompson5910(35256)

Question 144122: At a certain time of day a tree casts a 24 foot shadow, and a 6 foot tall person casts a 2 foot 6 inch shadow. What is the height of the tree?
Click here to see answer by solver91311(24713)

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