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

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Word Problems: Miscellaneous Word Problems

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Question 97408: some bacteria were in the microscope and doubles its size every six minutes. in 2 hours the slide is fully covered. when was it half covered?
Click here to see answer by stanbon(26291)

Question 97428: iN YOUR ECONOMICS CLASS YOU HAVE SCORES OF 68, 82, 87, AND 89 ON THE FIRST FOUR OF FIVE TEST. TO GET A GRADE OF B THE AVERQAGE OF THE FIRST FIVE TEST SCORES MUST BE GREATER THAN OR EQUAL TO 80 AND LESS THAN 90. SOLVE AN INEQUALITY TO FIND THE RANGE OF THE SCORES THAT YOU NEED ON THE TEST TO GET A B
Click here to see answer by Earlsdon(4900)

Question 97441This question is from textbook
: Boiling point and elevation. the elevation E, in meters, above sea level at which the boiling point of water is t degrees Celsius is given by function
E(t) = 1000(100-t) + 580(100-t)^2.
At what elevation is the boiling point 99.5 degrees? 100 degrees?This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 97552: If one bag of candy costs 45cents and contains 25bars, how many tera tons of fat are in $128.00 worth of candy if each bar contains 96milligrams of fat?
Click here to see answer by checkley71(8405)

Question 97583: What 2 digit number is equal to three times the product of its digits?
Click here to see answer by checkley71(8405)

Question 97183: A boy can do a piece of work in 15 days & his father ca do it in 10 days. How long will it take them to do the work together?
Click here to see answer by ankor@dixie-net.com(6693)

Question 97184: The smaller of two number is two-thirds of the larger, & the sum of their reciprocals is 1/6. What are the numbers?
Click here to see answer by ankor@dixie-net.com(6693)

Question 97600: Kim is 3 years older than Bridget. The sum of their ages is less than 16. What is the oldest Bridget could be?
Click here to see answer by checkley71(8405)

Question 97645: If five people are wearing five different hats, and each person is given a random hat, what is the probability that all five people get the correct hat?
i tried and tried on this one, but i failed.
Click here to see answer by Rylee(1)

Question 97623This question is from textbook The Physical Universe
: The speed of light is 3.0 x 108 m/sec. The Earth is 1.5 x 1011 m from the Sun. How many seconds does it take for light to reach us from the Sun?This question is from textbook The Physical Universe

Click here to see answer by bucky(1732)

Question 97666: Suppose That you are taking a course that has 4 tests. The first three tests are for 10 points each and the fourth test is for 200 points. to get a B in the course, you must have an average of at least 80 percent on the 4 tests. your scores on the first 3 tests were 76,72,84. what is the minimum score you need on the fourth test to get an B for the course?

Click here to see answer by checkley71(8405)

Question 97737: If a woman can mow a lawn in 2 hrs and her husband in 4 hrs how long will it take to mow the lawn if they work together
Click here to see answer by josmiceli(3012)

Question 97655: In a college Algebra class, the final exam is 20% of the course grade. If Greg's regular exam scores are 80,64,88,92 and 85. What does he need on the final exam to make a B(80%) in the course
Click here to see answer by ankor@dixie-net.com(6693)

Question 97752: the sum of two consecutive positive integers is less than or equal to 10. Find the integers.
Click here to see answer by elima(1433)

Question 97855: Two cross country runners are 440 yards apart and are running toward each other, one at 8mph and the other at 10 mph. In how many seconds will they meet?
Click here to see answer by checkley71(8405)

Question 97872: Three people check into a hotel. They find out that if one more person checked in with them, the check in price will be reduced by $50. How much is the Check in price?
Click here to see answer by mathslover(126)

Question 97749: The first 100 copies of a poster cost x cents each;after the first 100 copies have been made ,extra copies cost x/4 cents each.how many cents will it cost to make 300 copies of the poster?
Have option
A)100x B)150x C)200x D)300x E)400x
Click here to see answer by ankor@dixie-net.com(6693)

Question 98031: The graph of any quadratic function is called?
Click here to see answer by stanbon(26291)

Question 98080: Could someone please help me with this word problem I am unsure how to write the equation or solve it for that matter.Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. Use the formula
Click here to see answer by checkley71(8405)

Question 98090: Ann is two and a half inches taller than Tara. There is a four and one fourth inches difference between Tara and Peter. Jamilla is taller than Ann but three fourths inches shoter than Peter. X represents Tara's height - write and simplify in expression involving Jamilla's height.
Click here to see answer by ptaylor(1578)

Question 98222: Need help, I cant remenber where to start and how to make the formula work.
A piece of wire 83 centimeters long must be into 3 pieces. Two pieces will be the same length, and the the third will be 7 centimeters less than twicw the others. Find the length of each wire.
Click here to see answer by jim_thompson5910(13794)

Question 98245: I am struggling with putting word problems into the right format. Here's another that I cant seem to figure out.
Michael has $10 to spend for pizza. The local pizza place charges $6 for a plain cheese pizza, plus $1.50 for each additional topping. What is the greatest number of toppings he can order?
Thank you in advance.
Click here to see answer by checkley71(8405)

Question 98265: In a jelly bean store, the owner asked the clerk to package the jelly beans so that any weight could be given to the customersusing the least number of packages, up to the largest size package, which was 32oz. (But, not making a different package for each weight) The owner wanted to make it so the customer would not have to carry so many packages. For instance, if they sold 1,2, or 3 oz. packages, the customer would be able to buy any weight, but would have a lot of packages to carry. What is the least # of pkgs. she could make and still be able to get all of the different weights from 1 to 31 ozs.?
Click here to see answer by edjones(3298)

Question 98127: Could you please help me solve this word problem?
Crafts. A solar collector is 2.5 m long by 2.0 m wide. It is held in place by a frame of uniform width around its outside edge. If the exposed collector is 4m^2, what is the width of the frame to the nearest tenth of a centimeter?
Thank you
Click here to see answer by ankor@dixie-net.com(6693)

Question 98312: How many four-digit numberal codes can be created if no digit may be repeted?
Thank you in advance for your assistance.
Click here to see answer by 303795(562)

Question 98317: Which describes the number and type of roots of the equation x(squared)-625=0?
Click here to see answer by Nate(3495)

Question 98314: Find the standard deviation of the data set to the nearest tenth.
21,13,18,16,13,35,12,8,15
I know the mean is 16.8
and the sum of the data is 151 but I could get no further than that. Sorry.
Thank you.
Click here to see answer by scott8148(3383)

Question 98304: When x number of units are sold, the price of each unit (in dollars) is given by p= -x/2+75. Find the unit price when the following quantities are sold: 2, 7, 9, 11.
Click here to see answer by checkley71(8405)

Question 98303: Celsius temperature readings can be converted to Fahrenheit readings using the formula F=9/5C+32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures: -10, 0, 15, 100?
Click here to see answer by checkley71(8405)

Question 98313: Find the exact value of sin 165.
Click here to see answer by stanbon(26291)

Question 98346: The will of the late Orlando Terranova stated that his brother Felipe would receive one-third the value of the estate, his sister Anna one-fourth the estate, his wife Anita two-fifths of the estate, and his son Jason the remaining $15,000. How much money did each recipient get?

Click here to see answer by checkley71(8405)

Question 98419: A home purchased for $300,000 depreciated 8% over a 1-year period. What was the value of the home after at the end of the year?
Click here to see answer by jim_thompson5910(13794)

Question 98419: A home purchased for $300,000 depreciated 8% over a 1-year period. What was the value of the home after at the end of the year?
Click here to see answer by checkley71(8405)

Question 98415: Another word problem Im having trouble with.
Using R for revenue, C for cost, and P for profit, write an expression for selling x thousand items if the the following is true.
Item price: $8.00
Fixed Costs $71,174
Varaible Costs $3816x
Thank you
Click here to see answer by stanbon(26291)

Question 98198: A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing?
Click here to see answer by edjones(3298)

Question 98430: Please help me with this question. I've been trying to solve this question for days but I still couldn't figure this out. We will have to submit this one on September 11. Thanks........
A freight train makes a regular run of 1300 km according to its present schedule. The train dispatchers want to schedule this run for less than one hour, but the average speed will have to be increased by 2 km per hour. What average speed will be required to make the run on the new schedule?
Click here to see answer by stanbon(26291)

Question 98207: While finding the amount of seed needed to plant his three square wheat fields, Hank observed that the side of one field was 1 kilometer longer than the side of the smallest field and that the side of the largest field was 3 kilometers longer than the side of the smallest field. If the total area of the three fields is 38 square kilometers, then what is the area of each field?
Click here to see answer by 303795(562)

Question 98472This question is from textbook
: Here's a word problem that I don't understand how to set up an equation for.
There is only one freshman in the cast of the high school musical. There are 6 sophomores and 11 juniors. One third of the cast are seniors. How many seniors are in the musical?
I don't understand what equation you would use to solve that. It's very confusing to me. Could you please help me out?This question is from textbook

Click here to see answer by edjones(3298)

Question 98482: Please help :0
The length of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangle is 46 in., find the width of the rectangle.
Thanks!!

Click here to see answer by COCOVALENZUELA(2)

Question 98550: THE SUM OF BOTH DIGITS, OF EITHER OF TWO TWO-DIGET NUMBERS, IN WHATEVER ORDER THE DIGETS ARE WRITTEN, IS 9. THE SQUARE OF EITHER OF THE DIGETS OF EITHER NUMBER, MINUS THE PRODUCT OF BOTH DIGITS, PLUS THE SQUARE OF THE OTHER DIGIT IS THE NUMBER 21. THE NUMBERS ARE:
A)36,63
B)81,18
C)27,72
D)45,54
Click here to see answer by edjones(3298)

Question 98560This question is from textbook Beginning Algebra
: Please help! Can you give me a step by step solution?

"A community theater sold 900 tickets to a play. Floor seats cost 12$ each, and balcony seats cost 10$. The total receipts were 9780$. How many of each type of ticket were sold?"

Thank you very much!This question is from textbook Beginning Algebra

Click here to see answer by stanbon(26291)

Question 98534: This word problem has to do with quadratic equations.
The difference of two integers is 12.Their product is 493.Find the integers.
Click here to see answer by checkley71(8405)

Question 98727: In the 2005 Major League Baseball season, the Chicago White Sox won 27 fewer than twice as many games as they lost. They played 162 regular season games. How many wins and losses did the team have?
Click here to see answer by checkley71(8405)

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