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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 287083: the sum of the digits of a two-digit numeral is 9. The unit's digit is twice the tens' digit. Find the numeral.
Click here to see answer by stanbon(75887)

Question 287084: Find two numbers whose difference is 18 and 1/4 of whose sum is 9.
Click here to see answer by stanbon(75887)

Question 287084: Find two numbers whose difference is 18 and 1/4 of whose sum is 9.
Click here to see answer by Alan3354(69443)

Question 287105: Find the length and width of a rectangle if the width is 8 inches shorter than the length and the perimeter is 108 inches?
Click here to see answer by nyc_function(2741)

Question 287192: At the water park, Bonnie and Wendy decided to race each other down a water slide. Wendy won by 0.25 seconds. If Bonnie�s time was exactly 7.80 seconds, how long did it take for Wendy to go down the slide?
(A) 7.80 seconds (B) 8.05 seconds (C) 7.55 seconds (D) 7.15 seconds (E) 7.50 seconds
Click here to see answer by richwmiller(17219)

Question 287205: suppose that the height of an object shot up is given by h=544t - 16t^2. h=feet, t=seconds. What is the maximum height and the time at which the object hits the ground.
Click here to see answer by richwmiller(17219)

Question 287212: suppose that the revenue generated by selling x units of a certain commodity is given by R= -1/5x^2+400x. Assume that R is in dollars. What is the maximum revenue possible in this situation?
Thank you
Click here to see answer by richwmiller(17219)

Question 287215: Suppose that the function of p= -1/4x+20 relates the selling price p of an item to the number of units x that are sold. Assume tha to is in dollars. For which value of x will the corresponding revenue be a maximum? What is this maximum revenue and what is the unit price?
Click here to see answer by stanbon(75887)

Question 287227: specify all x & y- intercepts of this equation:
y=(x-1)^2+4
Click here to see answer by stanbon(75887)

Question 287344: Use a(t) = -32 ft/sec^2 as the acceleration due to gravity. (Neglect air resistance.)
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 48 feet above the ground.
a) How many seconds after its release will the bag strike the ground?
b) At what velocity will it strike the ground?

Click here to see answer by Alan3354(69443)

Question 287363: On the moon, the acceleration due to gravity is -1.6 meters per second per second. A stone is dropped from a cliff on the moon and hits the surface of the moon 20 seconds later.
a)How far did it fall?

b)What was its velocity at impact?
Click here to see answer by Alan3354(69443)

Question 287529: Use a(t) = -32 ft/sec^2 as the acceleration due to gravity. (Neglect air resistance.)
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 48 feet above the ground.
a) How many seconds after its release will the bag strike the ground?
b) At what velocity will it strike the ground?

Click here to see answer by stanbon(75887)

Question 287586: Juan and Mary play a two-person game in which the winner gains 2 points and the loser loses 1 point. If Juan won exactly 3 games and Mary had a final score of 5 points, how many games did they play?
(A) 7 (B) 8 (C) 4 (D) 5 (E) 11
Click here to see answer by mcleo(3)

Question 287569: Sharing cost. The members of a flying club plan to share equally the cost of a $200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by $2000. How many members are currently in the club?

Click here to see answer by mcleo(3)

Question 287621: A jar contains 7 amoeba. The number of amoeba doubles every minute and it takes 40 minutes to ll the jar. How long (in minutes) does it take to ll 1/2 the jar?
(a) 20
(b) 35
(c) It can't be determined from the given information
(d) 40 - (139/7)
(e) None of the above
Click here to see answer by Alan3354(69443)

Question 287622: If each nerf has at least two squiggles and each squiggle is on at least two nerfs then if there is at least one squiggle, the smallest number of nerfs possible is:
(a) 1 (b) 2 (c) 3 (d) 4 (e) None of the above
Click here to see answer by richwmiller(17219)

Question 287644: some number is twelve more than another number. the larger number is four less than three times the smaller number. find the numbers.
Click here to see answer by texttutoring(324)

Question 287643: if your friend works as a waitress and her income consists of an hourly wage plus tips and on wednesday she earned $25 in tips over a 5 hour period. On friday she earned $30.76 in tips over a 3 hour period. how much is her wage if she earned the same amount of money on both days?
Click here to see answer by richwmiller(17219)

Question 287568: Foul ball. Suppose Charlie O�Brian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.
Use the formula to determine how long it takes the ball to return to the earth.

Click here to see answer by ankor@dixie-net.com(22740)

Question 287713: Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 63 points. They won 9 more games than they tied. how many wins and how many ties did the team have?
Click here to see answer by tinkerbell146(2)

Question 287520: On the moon, the acceleration due to gravity is -1.6 meters per second per second. A stone is dropped from a cliff on the moon and hits the surface of the moon 20 seconds later.
a)How far did it fall?
b)What was its velocity at impact?

Click here to see answer by Edwin McCravy(20054)

Question 287734: At the instant the traffic light turns green, a car that has been waiting at an intersection starts with a constant acceleration of 6 feet per second per second. At the same instant, a truck traveling with a constant velocity of 30 feet per second passes the car.
(a) How far beyond its starting point will the car pass the truck?

(b) How fast will the car be traveling when it passes the truck?
Click here to see answer by josmiceli(19441)

Question 287733: Find the indefinite integral and check the result by differentiation. (Use C for the constant of integration.)

Click here to see answer by Edwin McCravy(20054)

Question 287567: Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures sqrt of 6 meters.
Length x + 2
Height x
Diagonal Brace sqrt of 6.

Click here to see answer by dabanfield(803)

Question 287587: Each of the 12 edges of a cube is coloured either red or green. Every face of the cube has at least one red edge. What is the smallest number of red edges?
(A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Click here to see answer by scott8148(6628)

Question 287809: Open-top box. Thomas is going to make an open-top box by cutting equal squares from the four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 square inches, then what size square should be cut from each corner?
Click here to see answer by solver91311(24713)

Question 287810: Golden Rectangle. Greeks to get shapes that are pleasing to the eye in art and architecture was the Golden Rectangle. If a square is removed from one end of a Golden Rectangle, the sides of the remaining rectangle are proportional to the original rectangle. So the length and width of the original rectangle satisfy L over W = W over L minus W. If the length of a Golden Rectangle is 10 meters, then what is its width?
Golden painting. An artist wants her painting to be in the shape of a golden rectangle. If the length of the painting is 36 inches, then what should be the width?
Click here to see answer by richwmiller(17219)

Question 287831: It rained on exactly 11 days during Jane�s holiday trip. On each rainy day it rained either in the morning or in the afternoon but not both. There are
exactly 13 afternoons when it did not rain and exactly 16 mornings when it did not rain. How many days did the trip last?
Click here to see answer by Theo(13342)

Question 287834: A truck�s wheel has a diameter of 1m and cycles 26 times. How far does the truck move to the nearest meter?
a) 35m
b) 82m
c) 89cm
d) 109m
e) 111m

Click here to see answer by Theo(13342)

Question 287855: Question:Memorial Hospital is planning an advertising campaign. It costs the hospital $3000 each time a television ad is aired and $2000 each time a radio ad is aired. The administrator wants to air 60 more television ads than radio ads. If the total cost of airing the ads is $580,000, then how many ads of each type will be aired?
What I have determined:

� Television Ads = $3000
� Radio Ads =$2000
� Sixty (60) more television ads than radio ads.
� Total cost is $58,000
now i need to solve, but don't know where to start or how to get going.
Click here to see answer by Grinnell(63)

Question 287854: A doctor prescribes medicine. The patient must take 7.5mL every 6 hours. If the bottle contains 67.5mL of medicine, for how long must the patient take the medicine?
a) 30 hrs. b) 36 hrs. c) 48 hrs. d) 54 hrs. e) 60 hrs.
Click here to see answer by nerdybill(7384)

Question 287849: A total of fifteen delegates from Israel, Palestine,Russia and the United States meet at a conference. Each of these countries has sent a different number of delegates (with each country sending at least one delegate). Israel and Russia have sent a combined total of six delegates. Russia and the United States have sent a combined total of seven. Once country has sent four delegates. Which one was it?
A Russia B Palestine C United States D Israel E Not enough Information
Click here to see answer by CharlesG2(834)

Question 287829: Laura jogs seven blocks the first day of her training program. She increases
her distance by two blocks each day. On the last day she jogs 25 blocks How many days was she in training?
Click here to see answer by josmiceli(19441)

Question 287839: A 1000-seat multiplex is divided into 3 theaters. There are 204 seats in Theater 1, and 108 more seats in Theater 2 than Theater 3. How many seats are in Theater 2?
a) 796 b) 452 c) 688 d) 344 e) 542
Click here to see answer by Stitch(470)

Question 287847: Rain falls all night over a lake. The total rainfall is 50 litres per square meter. By how much does the surface of the lake rise?
A .05m B .5m C 5m D 50m E none of these
Click here to see answer by Alan3354(69443)

Question 287838: If the first day of the year 2005 was a Saturday, what day of the week was July 1st 2005?
a) Monday b) Tuesday c) Wednesday d) Thursday e) Friday
Click here to see answer by CharlesG2(834)

Question 287832: An exam has 20 questions. It is scored by giving 10 points for each correct answer and deducting 5 points for every incorrect answer. If you answer all 20 questions and score 125 points, how questions did you answer correctly?
a) 15 b) 16 c) 14 d) 11 e) 12
Click here to see answer by josmiceli(19441)

Question 287808: Gone fishing. Debbie traveled by boat 5 miles upstream to fish in her favorite spot. Because of the 4-mph current, it took her 20 minutes longer to get there than to return. How fast will her boat go in still water?

Click here to see answer by ankor@dixie-net.com(22740)

Question 287918: I have a word problem here at least thats what I think this is and I have no clue how to calculate any help would be appreciated

After leaving a fulfilling career is a math teacher, Phil decides to venture out into the world of DVD sales. The cost of producing x DVD�s is given by the function C(x) = 1.3x + 275. The DVD�s can be sold on E-bay for $10 each.
(a) What are the fixed costs?

(b) Find the revenue and profit functions.
(c) Find the break-even point.
(d) If Phil manages to sell 500 DVD�s per month, what will his yearly profit be?

Eric
Click here to see answer by ankor@dixie-net.com(22740)

Question 287851: Ten pennies and ten nickels were arranged alternatively as PNPN...PN. A move consists of exchanging the position of two adjacent coins. What is the minimum number of moves needed to move all the pennies to one end,and all the nickels to the other end,i.e.,PPP...PN...NNN?
A 10 B 20 C 25 D 40 E 45
Click here to see answer by drk(1908)

Question 287927: I must say word problems or problems of this nature are impossible to calculate this particular one doesnt make a whole lot of sense any help would be appreciated:
Two airplanes are leaving O'Hare at the same time, one bound for New York and the other for California. The one heading to California has a tail wind and is thus going 25 MPH faster than the one headed for New York. If after one hour they are 575 miles apart, what are their speeds?
Eric

Click here to see answer by Grinnell(63)

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