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

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Question 470981: x =24 when y =8 find x when y =9
Click here to see answer by jorel1380(2518)

Question 470981: x =24 when y =8 find x when y =9
Click here to see answer by MathLover1(6634)

Question 470990: A long distance runner left his house running at an average rate of 8 miles per hour. Fifteen minutes (one fourth of an hour) later, his son left his house on his bike traveling on the same route at an average rate of 12 miles per hour. How long will it take the son to catch up with his father?
Click here to see answer by jorel1380(2518)

Question 471020: The government of a developing country is implementing a new reading program in which each individual who can read spends the year teaching two new people how to read. At the end of the year the individual can stop but each of the two new readers have to teach two more people to read. If 1000 people can read at the start of the program, how many people will be able to read at the end of 10 years?
I started making a table where I added the original and the new readers to get the total readers for the first year. For each subsequent year on the table I take the new readers and add them to their new readers and then add the total of readers from the previous years to get the total of readers for the new years. When I finish my table for 10 years I came up with 2047000. Don't know if that is right. Help????
Click here to see answer by jim_thompson5910(28595)

Question 471157: An animal trap for catching small animals is in the shape of a rectangular solid with a surface area of 1384in.to the second power. If the length is 26 inches and the width is 12 inches, what is the height?
Click here to see answer by ewatrrr(10682)

Question 471173: The women's basketball team at Central College outscored their opponents by 143 points last season. If the total number of points scored by both Central and their opponents when they played each other was 4921, how many points did Central score?
Click here to see answer by jorel1380(2518)

Question 471229: A pilot can travel 580 miles with the wind in the same amount of time as 380 miles against the wind. Find the speed of the wind if the pilot's speed in still air is 240 miles per hour.
Click here to see answer by jorel1380(2518)

Question 471233: A driver took a day trip driving at two different speeds. He drove 70 miles at a slower speed and 300 miles at a speed 40 miles per hour faster. If the time spent during the faster speed was twice that spent at a slower speed, find the two speeds during the trip.
Click here to see answer by jorel1380(2518)

Question 471236: A television picture tube is 9cm longer than it is wide. If the perimeter of the tube is 142cm, what are the length and width of the tube?
Click here to see answer by jorel1380(2518)

Question 471241: In 8 hours, an experienced cook prepares enough pies to supply a local restaurant’s daily order. Another cook prepares the same number of pies in 9 hours. Together with a third cook, they prepare the pies in 3 hours. Find how long it takes the third cook to prepare the pies alone.
Click here to see answer by jorel1380(2518)

Question 471244: A 9-lb puppy is gaining weight at a rate of 3/4 lb per week. When will the puppy's weight exceed 22 1/2 lb?
Click here to see answer by jorel1380(2518)

Question 471207: Allie has three fewer than twice the number of coins that Jonathan has. If Jonathan gave 2 coins to Allie, she would have three time as many coins as he would. How many coins does Allie have?
a. 2
b. 3
c. 5
d. 7
e. 9
Click here to see answer by ankor@dixie-net.com(15656)

Question 471335: Patricia Burgess knows that at some point during the calender year her basic monthly telephone rate increased from $17.10 to $18.40. If she paid a total of $207.80 for basic telephone service for the calender year, in what month did the rate increase take effect
Click here to see answer by ankor@dixie-net.com(15656)

Question 471420: A water tank can be filled in 20 hours by an inlet pipe and emptied in 24 hours by an outlet pipe. How long will it take to fill the tank if both pipes are left open?
Click here to see answer by sudhanshu_kmr(1152)

Question 471499: A health shop ownder made trail mix containing dried fruit, nuts, and carob chips. The dried fruit sells for $5.50 per pound, the nuts sell for $7.50 per pound, and the carob chips sell for $8.50 per pound. The shop owner mixed 50 pounds of the trail mix and sells it for $6.70 per pound. If the amount of nuts is five pounds more than the amount of carob chips, how much of each item was used for the trail mix?
Click here to see answer by jorel1380(2518)

Question 471566: A college student bought 11 books for fall classes. If the cost of his anatomy textbook was three times the mean cost of the other 10 books, then the cost of the anatomy textbook was what fraction of the total amount he paid for the 11 books?
a. 2/13
b. 3/13
c. 3/11
d. 3/10
e. 10/13
Click here to see answer by ewatrrr(10682)

Question 471557: The bacteria in a 9-liter container doubble every 4 minutes. After 54 minutes the container is full. How long did it take to fill a quarter of the container?
Click here to see answer by ankor@dixie-net.com(15656)

Question 471578: Green ski wax works best at Fahrenheit temperatures between 5 degrees and 15 degrees. Determine those Celsius temperatures for which green ski wax works best.
The formula F=9/5C + 32 can be used to convert Celsius temperatures C to Fahrenheit temperatures F.
Click here to see answer by Alan3354(30993)

Question 471574: The sum of two consecutive odd integers is less than 100. what is the largest possible pair of such integers?
Click here to see answer by Alan3354(30993)

Question 471601: the lowest frequency we can hear is 20 Hz.calculated the wavelenght associated with this frequency for sounf that travels at 340 m/s
Click here to see answer by solver91311(16897)

Question 471593: as students arrive the first day of school, they find 300 pennies arranged on a table each penny is facing heads up and is labled as Penny 1, Penny 2, Penny 3, ect. as each studenty passe the table they are to turn over only the pennies that match their number in line, student one turns over all the pennies, student #2 turns over all pennies divisible by two, student three turns over all pennies divisible by three ect. You are to identify the set of all penny numbners that are heads up after all three hundred students have passed by the table?
Click here to see answer by Edwin McCravy(8909)

Question 471580: How long will it take $200 to double if it earns 7%? Compounding occurs once a year? Time Value of Money. I calculated the Present Value by taking the # of 1 yrs using my calculator. 1N, 7 I/Y, 200, FV, CPT, PV=$186.92 for the 7% rate. I am stuck after that.
Click here to see answer by Alan3354(30993)

Question 471633: Your budget limits you to $320 for lighting fixtures. Using p to represent the price of each fixture and n to represent the number of fixtures, write an inequality that expresses your lighting fixture budget
Click here to see answer by jorel1380(2518)

Question 471867: "The area of a classroom space per student varies inversely with the number of students in the room. When there are 15 students in the room, each student has 20 sq ft of space. How many square feet of space are available per student when there are 25 students in the classroom?"
I can't figure out how to plug this in and solve in the inverse variation formula. Thank you in advance for your help!
Click here to see answer by sudhanshu_kmr(1152)

Question 471918: A total of tickets were sold for the school play. They were either adult tickets or student tickets. There were more student tickets sold than adult tickets. How many adult tickets were sold?

Click here to see answer by solver91311(16897)

Question 471949: She had 24$ to spend on7 pens after buying thm she had 10$ how much did each pen cost?
Click here to see answer by stanbon(57361)

Question 472085: Hi I have a word problem that I could use some help on Please. I thank you in advance
For a temporary job between semesters, you are painting the parking spaces for a new shopping mall with a letter of the alphabet and a single digit from 1 to 9. The first parking space is A1 and the last parking space is Z9. How many parking spaces can you paint with distinct labels?
Click here to see answer by jorel1380(2518)

Question 472111: An empty truck with a driver weighs 4350 pounds. The truck is loaded with grain weighing 31 pounds per bushel. There is a bridge on the roadway with a 10000 pounds load limit. How many bushels can the truck legally carry? Round to the nearest quarter bushel
Click here to see answer by jorel1380(2518)

Question 472493: Jill sold half of her comic books and thn bought 16 more she now has 36 with how many did she begin?
Click here to see answer by gilwa(3)

Question 472490: On tue I bought5 hats on wed half were destroyed on thur there were 17 left how many do I have on mon?
Click here to see answer by gilwa(3)

Question 472617: what is the difference between the hundreds place and the hundredths place?
Click here to see answer by rfer(12662)

Question 472776: Bob Brown bought two plots of land for a total of $110,000. On the first plot, he made a profit of 16%. On the second, he lost 4%. His total profit was $9600. How much did he pay for each piece of land?
How do I start this one?
I came up with .16x-.04y=$110,000
.16x-.04y+.04y=$110,000+.04y
.16x=$110,000+.04y
1/.016 .16x=$110,000+.04y/ by 1/.16
Help figure where I went wrong?

Click here to see answer by stanbon(57361)

Question 472941: 1. A company that produces flashlight batteries wishes to know what percentage of its batteries will last longer than 30 hours. It selects and tests a random sample of 1,100 batteries. Of these batteries, 1,065 last 30 hours or more.
Find the 95% confidence interval for the percentage of batteries that last 30 hours or more. Please round the answers to the nearest tenth.
a. 95.5% to 97.9%
b. 95.8% to 98.2%
c. 95.5% to 98.2%
d. 95.8% to 97.9%
e. 95.9% to 97.7%
2. Find the standard error for a sample proportion of 50%, given the following sample size. 50
a. s 0.070
b. s 0.062
c. s 0.071
d. s 0.083
e. s 0.056

Click here to see answer by stanbon(57361)

Question 473003: Alycias piggy bank has dimes and quarters in it. the number of dimes is four less then three times the number of quarters. If the total value of the coins is $7.85 how many dimes are in the piggy bann?
Click here to see answer by josmiceli(9686)

Question 473057: - One hundred stones are placed on the ground 3 feet apart, the first being 3 feet from the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket and bring the stone to it one by one?

Click here to see answer by Edwin McCravy(8909)

Question 473056: - 100 stones are placed on the ground 3 feet apart, the first being 3 feet from the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket and bring the stone to it one by one? - did not match any documents.

Click here to see answer by Theo(3464)

Question 473117: Children from the ages of four through twelve in the United States had a combined income of $20.3 billion in 1996. This was a 16% increase from 1995. What was their combined income in 1995?
Click here to see answer by stanbon(57361)

Question 473224: Hi guys need help with this question....Classify the following variable as nominla,ordinal,discrete or continuous and state why it is such a variable. U.S. cities with the highest unemployment
Click here to see answer by jim_thompson5910(28595)

Question 473257: If one copier can copy the dissertation in 12 minutes and the other copier can do it in 8 minues, how many minutes would it take if they were working togeather?
Click here to see answer by jim_thompson5910(28595)

Question 473129: If y = 60/x^2+3
represents the speed of a small non-motorized vehicle at a place on a hill where x = 0 represents the distance where the greatest speed is reached and y is the speed. What is the maximum speed this vehicle can reach?

Click here to see answer by ankor@dixie-net.com(15656)

Question 473425: By 3:00 pm, John had plowed 7 driveways and by 5:30 pm he has completed 13.
Find John's p;owing rate in number of driveways per hour. 13-7=6 driveways.3 pm to 5 pm= 2.5 hours. 6/2.5=2.4 driveways per hour.
Find John's plowing rate in minutes per driveway. 2.5 hours=150 minutes/6 driveways=25 minutes per driveway.
Click here to see answer by ccs2011(207)

Question 473663: Consider fractions of the form 5/n, where n is an integer. How many integer values of n make this fraction bigger than 1/3 and smaller than 1/2?
Click here to see answer by stanbon(57361)

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