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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 300148: Twenty men did 1/4 of a job in 8 days. Then, because of an emergency, it became necessary to complete the job in the next 5 days. How many additional men were added to the crew of 20 to accomplish this?
Click here to see answer by ankor@dixie-net.com(15746)

Question 300157: Find a year between 1970 and 1980 where the sum of the digits in the hundreds and thousands column is equal to the sum of the digits in the ones and tens column.

Click here to see answer by ankor@dixie-net.com(15746)

Question 300177: a motorboat travels 168 km in 3 hours going upstream and 800 Km in 8 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
Click here to see answer by Alan3354(31537)

Question 300181: A student ran out of time on a multiple choice exam and guessed the answers for two problems. Each problem had 4 answer choices - a,b,c,d- and only one correct answer. What is the probability that he answered both of the problems correctly? Write your answer as a fraction in lowest terms.

Click here to see answer by stanbon(57982)

Question 300192: A chef is using a mixture of two brands of Italian dressing. The first brand contains 10% vinegar, and the second brand contains 15% vinegar. The chef wants to make 260 milliliters of a dressing that is 13% vinegar. How much of each brand should she use?

Click here to see answer by mananth(12270)

Question 300184: A chef is using a mixture of two brands of Italian dressing. The first brand contains 10% vinegar, and the second brand contains 15% vinegar. The chef wants to make 260 milliliters of a dressing that is 13% vinegar. How much of each brand should she use?

Click here to see answer by nerdybill(7009)

Question 300237: What percent of all natural numbers from 1 to 10000 are perfect squares?
A) 1% B) 1.5% C) 2% D) 2.5% E) 5%
Click here to see answer by mathitutor(25)

Question 300212: In a particular hospital, newborn babies were delivered yesterday. Here are their weights (in ounces):
119, 116, 103, 109, 122, 97
Assuming that these weights constitute an entire population, find the standard deviation of the population. Round your answer to at least two decimal places.

Click here to see answer by Fombitz(13828)

Question 300399: When the digits of a two-digit number are reversed,the new number is 9 more than the original number,and the sum of digits of the original number is 11.What is the original?
I really need help with setting this up and how to check.
Please and Thank you!
Click here to see answer by Fombitz(13828)

Question 300400: a 26ft. long ladder rests against a wall. The distance from the base of the wall to the bottom of the ladder is x. The height at which the ladder rest against the wall is x + 14. Find the distance, (x) from the base of the wall to the bottom of the ladder.
Click here to see answer by marolstr(3)

Question 300464: A bag contains 16 yellow marbles, 6 green marbles, and 7 red marbles. What is the chance of drawing a green marble? If a green marble is drawn the first time and then a second marble is drawn without replacement, what is the probability of drawing a second green marble? Give solutions exactly in reduced fraction form, separated by a comma.

Click here to see answer by checkley77(12569)

Question 300606: A landscaper designed a garden such that a grass path of uniform width surrounds a rectangular fountain. The fountain is 60m long & 40m wide, & the area of the graa path is 616m^2. Determine the width of the grass path
Click here to see answer by alanc(17)

Question 300590: There is a boy named Regan who collects baseball cards. He has between 2500 and 3000 cards Use the facts and divide to find how many he has. Facts: When the total number of cards in his collection is divided by two, the remainder is one. When the total is divided by 3, remainder = 2. When total is divided by 4, remainder = 3. When the total is divided by 5, remainder = 4. This pattern follows up to when the total is divided by 10, the remainder is 9.
Click here to see answer by Edwin McCravy(8999)

Question 300724: bill has a collection of 65 nickels and dimes. their total worth is $5.50. find how many nickels and dimes bill has
Click here to see answer by nerdybill(7009)

Question 300716: the ratio between two positive numbers is 6 to 5. if the difference between the two numbers is 8, what are the 2 numbers
Click here to see answer by richwmiller(9144)

Question 300787: What is the last digit in the following product? (2^1)(2^2)(2^3)(2^4)... (2^198)(2^199)(2^200)?
Click here to see answer by Alan3354(31537)

Question 300986: A 12 foot board is cut into two sections, one twice as long as the other. How long is each section?
Click here to see answer by vleith(2825)

Question 301052: A bag contains 8 pink marbles, 5 green marbles and 10 brown marbles. What is the chance of drawing a brown marble? If a brown marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a pink marble? Give solutions exactly in reduced fraction form, separated by a comma.

Click here to see answer by checkley77(12569)

Question 301051: Angle A and angle B are supplementary angles and angle A is 35 degrees less than four times angle B. Find the measures of angle A and angle B.
Click here to see answer by checkley77(12569)

Question 301050: Of 31 college seniors at Southern Swampland University, 17 preferred pepperoni pizza, 12 preferred supreme, and 2 preferred cheese. If we picked a college senior at Southern Swampland University at random, theoretically what is the probability that he or she would prefer supreme? Give solution exactly in reduced fraction form.

Click here to see answer by checkley77(12569)

Question 301044: The pets a particular veterinarian saw yesterday break down into the following categories:
Cats
10

Dogs
18

Bird
4

Ferret
3

Lizard
1

If there is one folder per pet and Valerie selected a folder at random from yesterday’s stack of folders, what would be the chances she would not get a lizard or ferret’s chart? Give answer as a fraction in lowest terms.

Click here to see answer by checkley77(12569)

Question 301041: The FM Radio stations with high signal strength in New Orleans break down into the following categories:
Hip hop
2

Religious
6

Country
2

Rock
3

Talk Radio
2

Other
5

If someone driving in New Orleans tuned into an FM radio station with high signal strength at random, what would be the chances he would not get a Country station? Give answer as a fraction in lowest terms.

Click here to see answer by checkley77(12569)

Question 301038: A factory worker places 120 newly created circuits on a shelf to be checked for quality. Of these, 9 will not work correctly. Suppose that she is asked to randomly select two circuits, without replacement, from the shelf. What is the chance that both circuits she selects will be defective? Show step by step work! Approximate the solution to the nearest ten thousandth.

Click here to see answer by checkley77(12569)

Question 301037: Write a proportion that can be used to solve the problem. Then solve the equation to obtain the answer.
It takes Kathy 14 minutes to type and spell check 10 pages of a manuscript. Find how long it takes her to type and spell check 25 pages. Round to the nearest whole number.
Click here to see answer by checkley77(12569)

Question 301033: A bag contains 16 yellow marbles, 6 green marbles, and 7 red marbles. What is the chance of drawing a green marble? If a green marble is drawn the first time and then a second marble is drawn without replacement, what is the probability of drawing a second green marble? Give solutions exactly in reduced fraction form, separated by a comma.

Click here to see answer by checkley77(12569)

Question 301095: If an object is propelled upward from ground level with an initial velocity of 224 feet per second, its height h in feet t seconds later is given by the equation h = 224t - 16t2. After how many seconds does the object hit the ground?
Click here to see answer by Alan3354(31537)

Question 301058: For a trip a traveler packed 4 pairs of pants, 7 shirts, and 3 pairs of shoes. How many different outfits can he wear?

Click here to see answer by richwmiller(9144)

Question 301267: A picture 19 inches by 24 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the border is 188 square inches?
Click here to see answer by nerdybill(7009)

Question 301282: A factory worker places 93 newly created circuits on a shelf to be checked for quality. Of these, 8 will not work correctly. Suppose that she is asked to randomly select two circuits, without replacement, from the shelf. What is the chance that both circuits she selects will be defective? Show step by step work! Approximate the solution to the nearest ten thousandth.
Click here to see answer by checkley77(12569)

Question 301295: Please Help! Taxpayers with an office in their home may deduct a percentage of their home-related expenses. This percentage is based on the ration of the office's area to the area of the home. A taxpayer with a 2200-square foot home maintains a 20-foot by 16-foot office. If the yearly electricity bills for the home come to $4800, how much of this is deductible?
Click here to see answer by ankor@dixie-net.com(15746)

Question 301593: Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. A certain radioactive isotope decays at a rate of 0.275% annually. Determine the half-life of this isotope, to the nearest year.

Click here to see answer by stanbon(57982)

Question 301582: there is a farm with chickens and three legged cows. there are 95 heads total, totaling 195 legs. how many chickens are there?
Click here to see answer by richwmiller(9144)

Question 301677: a scuba diver at a depth of 80ft begins her ascent to the ocean surface. Her rate of change in depth is 2ft/s. Which equation represents her depth in feet t seconds after she begins her ascent? 2t-80, 80-2t, -80-2t, 80+2t
Click here to see answer by Alan3354(31537)

Question 301627: a weight of 6lb stretches a spring a distance of 12in. find the constant k for the spring.
Click here to see answer by Fombitz(13828)

Question 301757: A certain species of bacteria in a laboratory begins with 200 cells and has a half life every 20 minutes. How many cells of the bacteria will be left after 1 hour (60 minutes)? Write an equation to model the problem and then solve your equation for the given value.
Click here to see answer by nerdybill(7009)

Question 301810: The ratio between two positive numbers is 8, what is 8, what are the two numbers?
Click here to see answer by Alan3354(31537)

Question 301767: Suppose you deposit $1000 earned from your summer job in a savings account, paying 4.8% compounded annually. How much will you have in your account after 3 years? Write an equation to model the problem and then solve your equation for the given value.
Click here to see answer by rfer(12730)

Question 301827: A 60% acid solution is to be mixed with a 80% acid solution to produce 20 liters of a 65% acid solution. How many liters of each solution is needed? I tried setting up a table but that didn't work. Can you please explain how you derive at your answer. Thanks and have a wonderful weekend.
Click here to see answer by josmiceli(9817)

Question 301863: The front of a house is a triangle that is as wide as it is tall.It's area is 98ft^2.find the height and the base.Please help
Click here to see answer by mananth(12270)

Question 301848: Miguel needs to cut his 40 cm piece of yarn into three smaller pieces. The longest piece is to be 3 times as long as the middle-sized piece, and the shortest is to be 5 cm shorter than the middle-sized piece. What lengths should be cut?
Click here to see answer by helpnalgebra(91)

Question 301952: number of donuts total price
1 $0.40

box of 6 $1.89

box of 12 $3.59

1)
of the following ,which is the closest approximation of the cost per donut when one purchases a box of 6 ?
a $ 0.20 b $0.30 c $0.40 d $0.50 e $0.60
2) what would be the least amount of money needed to purchase exactly 21 donuts ?
a $5.88 b $6.68 c $7.19 d $7.38 e $8.40
Click here to see answer by london maths tutor(243)

Question 301972: The weight of a truck without load is 2000 kg. Today the load represents initially 80% of the total weight. At the first stop, they discharge a quarter of the load. What percentage of the total weight does then the load represent?
A) 20% B) 25% C) 55% D) 60% E) 75%

Click here to see answer by london maths tutor(243)

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