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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 250090: Jenny says, "I'm the sixth child in my family, and I have at least as many brothers as sisters." Her brother Jim adds, "I have at least twice as many sisters as brothers." How many boys and girls are in their family?
Click here to see answer by Edwin McCravy(20054)

Question 250226: if the ladder is 6 feet high and 8 feet away from the wall what is tyhe length of the ladder?
Click here to see answer by stanbon(75887)

Question 250241: Twice as many people went on the first aquarium tour as the second tour. Three times as many went on the third tour as the second tour. If 90 people went on the third tour, how many went on the first tour?
Click here to see answer by olya(2)

Question 250229: Hello, my name is Rebecca Ghisoiu. I attend Western Govorners University, an online college. I am stuck on a few questions concerning a homework assignment, and would appreciate any feedback possible.
1) MIXTURE WORD PROBLEM
-There are 50 ounces of liquid. 12 ounces are alcohal. What percentage of the liquid is alcohal? What percentage is water?
*I have tried to solve this myself by taking the 12 ounces, turning it into a decimal (.12), and multiplying it by 50. Solution was 6% alcohal. Then, I took 12 and multiplied that by 6 which equaled 72%, the percentage of water, which is incorrect.
2) BLOOD ALCOHAL CONTENT
-I have consistently been incorrect in trying to find the BAC. I am givin a formula, and all the information needed, yet everytime I calculate the answer (in which I am told to round to the nearest thousanth) my answer is always in the negatives. If you have any advice on finding the BAC, I'd really appreciate it.
3)PERIMETER OF A RECTANGLE
-I am givin the perimeter of a rectangle, for example lets say p=64. Then, the problem will state that the length is 4cm less than twice the width. Find the length and width.
*I understand the formula for finding the lenth and width of a rectangle is P= 2L + 2W. I have trouble decoding the above sentence: "The length is 4cm less than twice the width." If you could show me an example of this, perhaps I may understand it better.
4)PERCENTAGE WORD PROBLEM
For my last question, I am having trouble with the following homework example: "College enterance exams have risen from 20.3 to 20.9 within the past year. Find the percent of this increase."
*What I have done to try to solve this problem is I find the difference (20.9-20.3) and got .6 Then, I would take .6 and divide this by the origianl number, which is 20.3; my answer rounded was 33.8% but this is incorrect. Again, I am not exactly sure what I am doing wrong here, because this is how I was taught to do this.
These four questions are actually keeping me from passing a test to continue moving forward within my math class. Any help would be wonderful, thank you for your time.
Click here to see answer by Theo(13342)

Question 250173: In the formula A(t) = A0ekt, A is the amount of radioactive material
remaining from an initial amount A0 at a given time t, and k is a negative
constant determined by the nature of the material. A certain radioactive
isotope decays at a rate of 0.3% annually. Determine the half-life of this
isotope, to the nearest year.
Click here to see answer by scott8148(6628)

Question 250505: How far is Point A from Point B if it takes a train 1.5 hours to travel it going 56 mph?
Click here to see answer by Alan3354(69443)

Question 250535: In a Congress of 435 members, the ratio of Democrats to Republicans is 3 to 2. If every member of Congress is either a Democrat or a Republican, how many more Democrats are there than Republicans?
A.87 B.145 C.174 D.261 E.290

Click here to see answer by richwmiller(17219)

Question 250538: In 1880, a man bought some apples at 2 apples for 3 cents and bought the same number of apples at 2 apples for 5 cents. He sold all of the apples at 3 apples for 7 cents. For each one dozen apples, how much did he gain?
A.2 cents B.3 cents C.4 cents D.6 cents E.8 cents

Click here to see answer by richwmiller(17219)

Question 250537: Twelve zebras weigh the same as two rhinoceros. Six giraffes weigh the same as four rhinoceros. How many zebras weigh the same as eight giraffes?
A.12 B.16 C.20 D.24 E.32

Click here to see answer by richwmiller(17219)

Question 250556: A baseball team won 8 games and lost 3. What is the ratio of wins to games played?

Click here to see answer by stanbon(75887)

Question 250556: A baseball team won 8 games and lost 3. What is the ratio of wins to games played?

Click here to see answer by richwmiller(17219)

Question 250556: A baseball team won 8 games and lost 3. What is the ratio of wins to games played?

Click here to see answer by lmshelly0118(1)

Question 250479: Working together, Rick & Juanita can complete a job in 6 hr. It would take Rick 9 hr longer than Juanita to do the job alone. How long would it take Juanita alone?
Click here to see answer by dabanfield(803)

Question 250558: A person has 29 1/2 yards of material available to make uniforms. Each uniform
requires 3/4 yard of material. How many uniforms can be made? How much
material will be left over?
Click here to see answer by richwmiller(17219)

Question 250534: A girl buys lemons at 4 for 71 cents. She will sell them at 5 for 95 cents. In order to make a profit of $3.50, how many lemons must she buy and sell?
A.160 B.200 C.240 D.280 E.320

Click here to see answer by richwmiller(17219)

Question 250521: Using data for the years 1985 to 1900, the function y=9x + 11.6 can be used to estimate the first trend, while the function y= 7.6x + 21 can be used to estimate the second trend. For both functions, x is the number of years since 1985. if these trends continue, in what year are the two trends equal?
The trends are equal in __
Click here to see answer by MRperkins(300)

Question 250111: tickets to a local movie were sold at $5.00 for adults and $3.50 for students. If 156 tickets were sold for a total of $756.00, how many adult tickets were sold?
Click here to see answer by hl122151(1)

Question 250674: Please help me with this problem: Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make?
Click here to see answer by MRperkins(300)

Question 250721: Please help me with this problem: Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse's station. Pens are purchased in sets of 6 for $2.35 per pack. Staplers are sold in sets of 2 for 12.95. How much will purchasing these products cost?

Click here to see answer by richwmiller(17219)

Question 250887: two numbers make 128 one number is three more than two times the other number what are the two numbers
Click here to see answer by dabanfield(803)

Question 250919: Solve using the 5 step problem-solving process. You are pulling a stone border of uniform width around a rectangular garden that measures 6 yards by 15 yards. You only have enough stone to cover 100 square yards. How wide should the border be?
Click here to see answer by Theo(13342)

Question 250872: Solve using the five-step problem-solving process. Show all steps necessary to arrive at your solution.
A rectangular window is 10 inches longer than it is wide. If the area of the window is 1200 square inches, find the length and the width.

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

Question 250950: A Leap Year has 366 days and the year 2000 was a Leap year. Rick�s 49th birthday on April 1, 1999, was on a Thursday. Rick�s 50th birthday was on a
A.Tuesday B. Wednesday C. Friday D.Saturday E.Sunday

Click here to see answer by vksarvepalli(154)

Question 250994: The Drama Club hosted a 2003 minute long dance marathon. It started at 7:00 pm Friday. On Sunday, at what time did it end?
A.4:23 am B. 4:38 am C. 6:23 am D. 6:30 am E. 6:38 am

Click here to see answer by richwmiller(17219)

Question 250993: What is the smallest whole number value of N such that 30^n is larger than 10 billion?
A.5 B.6 C.7 D.8 E.9
Click here to see answer by richwmiller(17219)

Question 251033: The sum of two consecutive integers is between 5 and 9. What are the two integers? Tell the two numbers only.
Click here to see answer by solver91311(24713)

Question 251036: 3n + 11 < 17 or -3n > 12. Which is the best description of the solution set?
n < 2 or n > -4
n < 2 or n < -4
n < 2
n < -4

Click here to see answer by Edwin McCravy(20054)

Question 251110: The second home has 1000 square feet less than twice the square feet of the first home. Write an equation that illustrates this situation using x and y to denote home #1 and home #2, respectively
Click here to see answer by richwmiller(17219)

Question 251158: The map shows the locations of skirmishes and battles during the Atlanta Campaign of the Civil War. The scale on the map is 1 inch = 15 miles. If the distance from Resaca to Atlanta is 5.5 inches, what is the actual distance between those places?

A)
20.5 miles

B)
32.5 miles

C)
61.5 miles

D)
82.5 miles

Click here to see answer by stanbon(75887)

Question 251156: Express in terms of i: -3 -64

A)
-24i

B)
-24 i

C)
24i

D)
24 i

Click here to see answer by RVsmileMC(1)

Question 251249: David's student loans totaled $2500. Part was made at 3% interest and the rest at 2.5%. After one year, David had accumulated $97.50 in interest. What was the amount of each loan?

Click here to see answer by vksarvepalli(154)

Question 251266: A computer program reduces the length of each side of an 8� by 8� square photograph by 25%. What is the area, in square inches, of the reduced photo?
Click here to see answer by vksarvepalli(154)

Question 251265: Arthur walks six blocks east and then 12 blocks north. If each block is one-third of a mile, how many miles did he walk?
Click here to see answer by PRMath(133)

Question 251315: What is the approximate diameter of a wheel that made 752 revolutions when it rolled 1 kilometer?
a) 24.2 cm b) 32.0 cm c) 42.3 cm d) 84.6 cm e) 113 cm
Click here to see answer by richwmiller(17219)

Question 251317: Approximately how much larger is a 14 inch (circular) pizza than a 12 inch (circular) pizza?
a) 16.7% b) 19.7% c) 25% d) 30.6% e) 36.1%
Click here to see answer by richwmiller(17219)

Question 251314: The height of a box is 7 inches. Its length is 6 inches more than its width. Find the length if the volume is 280 cubic inches.
a) 40 in. b) 7 in. c) 10 in. d) 4 in. e) 13 in.
Click here to see answer by richwmiller(17219)

Question 251320: If the ratios between the adjacent angles of a pentagon are 3:4:5:6:7, what is the size of the smallest angle?
a) 14.4 degrees b) 21.6 degrees c) 64.8 degrees d) 90 degrees
e) 108 degrees
Click here to see answer by edjones(8007)

Question 251391: If all who hear a rumor repeat it to two people a day, and if 10 people start the rumor, then number of people N who have heard the rumor after t days is given by N(t) = 10(3)t. After what amount of time will 2000 have heard the rumor?
Click here to see answer by jim_thompson5910(35256)

Question 251387: The bacteria E Coli are found in the human bladder. Suppose 2,000 bacteria are present at time t = 0. Then, t minutes later the number of bacteria present can be approximated by N(t) = 2000(3)t/12.

How many bacteria will be present after 40 minutes?
How long will it take before there are 100,000 bacteria present?
Click here to see answer by josmiceli(19441)

Question 251415: Solve the problem. Nikki is fishing from a bank 29 feet above water level. In this location, the fish tend to feed at 42 feet below the surface. How long must Nikki's fish line be to reach the fish?
Click here to see answer by stanbon(75887)

Question 251435: Heidi can type a manuscript in 8 hours. Working together it takes Heidi and Dolores 5 hours to do the same job. How long would it take Dolores to type the manuscript by herself?
Click here to see answer by stanbon(75887)

Question 251433: Bacteria grow by cell division. If each cell divides into 2 in every 2 minutes how many cells will exist after 32 minutes? Assume there was only one cell at the beginning
Click here to see answer by stanbon(75887)

Question 251476: If the diameter of a cylindrical can is increased by 30 percent, by approximating what percentage should the height be increased to triple the volume of the can ?
Click here to see answer by Theo(13342)

Question 251474: We just blew some air into a spherical balloon and doubled its volume. By how much did we multiply the surface area ?
Click here to see answer by Theo(13342)

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