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Question 402751: Winning Percentage. In a basketball league, the Falcons won 15 of their first 20 games. In order to win 60% of the total number of games, how many more games will they have to play, assuming they win only half of the remaining games?
I was able to come up with the answer of 50 games and 30 wins is 60% but to translate it is where I'm having a problem. Please help me.
Thank you, Nana
Click here to see answer by sudhanshu_kmr(1152)

Question 402782: A grocery store may increase the original price of a product to cover the expenses of running the store.The markup is the amount that is added to the original cost to create the selling price (the price the consumer pays)of the groceries . The percent markup is called the markup rate and is usually expressed as a percent of the original price .Taking the original cost and adding the markup calculates the selling price of an item. The formula S = C + rC can be used to help find the selling price. The selling price,S is equal to the original cost, C,plus the markup rate,r,multiplied by the original cost, C.
A 20-lb turkey has a 35% markup and is selling for a price of $22.50. Use the selling price formula to find the original cost of the turkey. Round to the nearest cent.
This is what I need to solve.
Thank you
Dorian
Click here to see answer by scott8148(6628)

Question 402769: I would really appreciate some help with this one.
The half life of a radio active substance is 125 days. How many days will it take for 82% of the substance to decay?

Click here to see answer by scott8148(6628)

Question 403082: In the 7th grade at the middle school only 1/4 of the students have a study hall. of those that do not have a study hall, 1/6 take band class. of the rest of the students 2/3 take chorus. this leaves 50 students who don't have any of these activities. How many students are there in the 7th grade?
Click here to see answer by solver91311(17077)

Question 403158: There are 310 pounds on the left plate of a scale and 230 pounds on the right plate. Suppose that you must balance the scale by removing 8 pound bags from the left plate and exactly the same number of 4 pound bags from the right plate. How many bags must you remove from each side in order to balance the scale?
Click here to see answer by scott8148(6628)

Question 403261: If a line falls on the points (7, 10) and (4, 8), what is its slope? Enter your answer as a fraction in lowest terms. Use a slash mark ( / ) as the fraction bar.
Click here to see answer by josmiceli(9817)

Question 403300: Factor:
#14.) a^4(to the fourth)-196
#19.) 400-u^2v^4
ASAP!!
Click here to see answer by Alan3354(31537)

Question 403408: If Mike takes 3 hours to make one bicycle and Henry takes 4 hours to make one bicycle, how many hours will it take them to make 7 bicycles together? (I CANNOT set this up correctly, and would appreciate any advice you would share. Thanks for your time.)
Click here to see answer by jim_thompson5910(28717)

Question 403402: a shop sells apples for $1 each. each of these apples is wrapped in a special wrapper. you cn trade 3 of these wrappers for 1 apple. if you have $15 how many apples can you get altogether?
Click here to see answer by richard1234(5390)

Question 403547: The width of a rectangle is 4 less than twice its length. If the area of the rectangle is 57 cm, what is the length of the diagonal?

Click here to see answer by Nada(11)

Question 403547: The width of a rectangle is 4 less than twice its length. If the area of the rectangle is 57 cm, what is the length of the diagonal?

Click here to see answer by MathLover1(6813)

Question 403543: Andre hit four more home runs than twice the number of home runs Larry hit. Together they hit 10 home runs. How many home runs did Andre hit?
Click here to see answer by 0306789(1)

Question 403330: A person wishes to tile a kitchen floor with square tiles 8 inches on a side. if the kitchen measures 10 ft by 12 ft,how many tiles are needed?
Click here to see answer by ankor@dixie-net.com(15746)

Question 403612: One number is 25% of another. The larger number is 12 more than the smaller. What are the numbers?
Click here to see answer by robertb(4012)

Question 403703: Among all pairs of numbers (x,y) such that, 6x+2y=34 find the pair for which the sum of squares , x^2 + y^2 is minimum. Reduce all fractions to the lowest terms.
I am stumped here I have tried substitution and crossing out and cancellation and the quadradic formula among other variations to solving simple algebra problems and it doesnt seem to matter I cant seem to get the answer right to this type of question I'm very confused.
Click here to see answer by scott8148(6628)

Question 403805: Betsy, a recent retiree, requires $6,000 per year in extra income. She has $60,000 to invest and can invest in B-rated bonds paying 15% per year or in a certificate of deposit (CD) paying 5% per year. How much money should be invested in each to realize exactly $6,000 in interest per year?
Click here to see answer by ankor@dixie-net.com(15746)

Question 404017: a square has the same number of feet in its perimeter as there are square feet in its area. how long is a side?
Click here to see answer by richard1234(5390)

Question 404231: Solve for the indicated letter.
a=6b, for b
The solution is b = __________
(Use integers or fractions for any numbers in the expression.
My answer is: b=a/6, is this right? If not, please help. Thank you!
Click here to see answer by jim_thompson5910(28717)

Question 404293: The grocery store paid $1.99 for a 24-pack of bottled water and sold the case of water for $6.25 . Find the mark up rate ;round to the nearest tenth of a percent . This is question is what I need help with
Thanks
Dorian
Click here to see answer by stanbon(57982)

Question 404432: I need help with this word problem.
Click here to see answer by stanbon(57982)

Question 404529: thirty percent of a number is equals to twenty-five percent of 144.what is the unknown number?
Click here to see answer by mananth(12270)

Question 404474: A wire L = 16 cm long is cut into two pieces, one of length x and the other of length (L - x). Each piece is bent into the shape of a square.
(a) Find a function that models the total area A enclosed by the two squares in terms of x.
A(x) =

(b) Find the value of x that minimizes the total area of the two squares.
x = ____ cm
Click here to see answer by richard1234(5390)

Question 404563: 1. it takes one guy 5 hours to paint a house, another guy 3 hrs, and the last guy 2 hrs to paint the same house if they work together how long will it take them to paint the house.
2. It takes 3 hours for an open valve to fill a tank and 4.5 hours for a valve to empty the tank. How long would it take to fill the tank if both valves are open.
Click here to see answer by stanbon(57982)

Question 404694: the volume of a rectangular box is limited to 1100 cu.in. If the height is 8 inches and the width is 10 inches how long can the box be?
Click here to see answer by nerdybill(7009)

Question 404619: Computer A can carry out a task in 6 hours. Computer B can do the same task in 4 hours. How long would it take it they did it together?
Click here to see answer by nerdybill(7009)

Question 404714: Some students held a car wash. They charged $3 to wash each car. The students made a profit of $181 after they spent $11 on supplies for the cash wash. How many cars did they wash?
Click here to see answer by josmiceli(9817)

Question 404768: The cost of a bus excursion was $180. This amount was to have been shared equally by all those who said they wished to go. However, 6 people failed to show up so that those who did go each had to pay $1.50 more. How many people actually went on the trip?
I just want to know how to get started I do not need the actual answer.
Click here to see answer by mananth(12270)

Question 404644: Hi I am in the need of some help on this word problem please.
To train for the running of a triathlon, jerri jogs 1 hour each day over the same 9 mile course. five miles of the course is downhill, whereas the other 4 miles is on level ground. jerri figures that she runs 2 miles per hour faster downhill than she runs on level ground. find the rate at which jerri runs on level ground. My email address is wa_emily@yahoo.com
Thank you
Click here to see answer by ankor@dixie-net.com(15746)

Question 404877: Hi I am needing some help on this word problem please.
A sink can be filled by the cold water facuet in 3 mins. The drain can empty a full sink in 4 mins. If the sink is empty and both the cold water facuet and the drain are open, how long will it take the sink to overflow.
Thank you so much
Click here to see answer by josmiceli(9817)

Question 404875: Hi I am needing some help with this word problem please.
A bathtub can be filled by the cold water facuet in 10 mins and by the hot water facuet in 12 mins. How long does it take to fill the bath tub if both facuets are open? My email address is wa_emily@yahoo.com
Thank you so much
Click here to see answer by josmiceli(9817)

Question 404938: The sum of four consecutive integers is 230. Find the integers.
Click here to see answer by IWork4Dessert(60)

Question 405005: Ticktets to the county fair cost $8 for adults and $7 for children. A group of visitors bought 7 tickets for $52. How many adults and children were in the group? I know the answer but am having problems setting up the equation/proportion to get the answer!

Click here to see answer by zaibi(4)

Question 405152: A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pip for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall. How long should the pieces of PVC plumbing pipe be?
Click here to see answer by checkley79(3056)

Question 405226: It takes a student 30 mins to drive from school to work, a distance of 20 mil. At what average rate of speed does the student drive?
Click here to see answer by rfer(12730)

Question 405340: After being discounted 20%, a radio sells for $63.96. Find the original price.
Click here to see answer by stanbon(57982)

Question 405385: 170 is what percent of 20?
20 is what percent of 170?
Click here to see answer by josmiceli(9817)

Question 405392: Translate the following situation into an equation. Do not solve.
“Kenny spent one hour more than Lucas studying for their Chemistry test. Andrea spent one hour less than twice the hours Lucas spent studying for the test. If together they spent fourteen hours studying, how many hours did Lucas study?”
Click here to see answer by IWork4Dessert(60)

Question 405396: Translate the following situation into an inequality. Do not solve.
“Greg weighs fifteen pounds less than twice what Karen weighs and Olivia weighs ten pounds more than Karen. Their combined weight is at least 460 pounds. How much do they each weigh?”
Click here to see answer by IWork4Dessert(60)

Question 405421: A pound of tin is worth $2 more than a pound of copper. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $4.85 per pound. How much is a pound of tin worth?
Click here to see answer by lwsshak3(6764)

Question 405417: Hi,
I don't know if any of you answer statistics questions, but you really helped this struggling old lady get through algebra last year so I thought I would give you a try. (Yes, I'm struggling with Stats just as much.)
My question reads: A fisherman arrives at his favorite fishing spot. From past experience he knows that the number of fish he catches per hour follows a Poisson distribution at .5/hr. What’s the probability that will catch at least 3 in four hrs.
Here's my take: If he catches .5 in one hour, that makes the lambda .5/1? Multiplied by the time (4 hours) gives me 2. So I believe my 2 calculator numbers are 2 and 3. If I'm doing the keystrokes correctly, I come up with a .184 probability.
Am I even in the ballpark?
Thanks so much for ANY help you can give me!

Click here to see answer by robertb(4012)

Question 405476: A smoker is 15 times more likely to die of lung cancer than a nonsmoker. An ex-smoker who stopped smoking t years ago is w times more likely to die of lung cancer than a nonsmoker, where w = 15 – t. PLZ ANYONE..??!!
Click here to see answer by IWork4Dessert(60)

Question 405531: if a person misses 11 out of 90 problems on a test then their score would be ____% correct and ______% wrong. to make a 85 on the test a person would need to get _______ problems correct.
Click here to see answer by stanbon(57982)

Question 405474: if a varies directly as the cube of c, and a = 18 when c = 30, find a when c = 6.
Click here to see answer by ewatrrr(10682)

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