# Questions on Algebra: Proportions answered by real tutors!

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 Algebra: Proportions Solvers Lessons Answers archive Quiz In Depth

 Question 178954: 1= 3/X+2 + 1/X-2 how to do this using a lcd? There is not a text book for this question I am trying to help my son with ratios and fractions he is in algebra one. Click here to see answer by solver91311(16897)

 Question 179097: A lawyer bills her client \$300 per hour of service. If a client's case requires 17 hours to complete, use a proportion to calculate how much the client will owe the lawyer(excluding tax). Click here to see answer by Mathtut(3670)

 Question 179100: A new virus is released on the internet, the administrator of a departmetn's Lower Area Network(LAN) is given minutes by a manager to estimate the impact. AThe administrator samples 12 of the PCs connected to the LAN and finds that 7 are infected. Use a proportion to estimate the number of infected PCs if there are a total of 216 PCs connected to the LAN. Click here to see answer by Mathtut(3670)

 Question 179271: Solve by substitution or elimination method: 3x-2y=26 -7x+3y=-49 Click here to see answer by roberta022469(1)

 Question 179273: Solve by substitution or elimination method: 4x-5y=14 -12x+15y=-42 Click here to see answer by Fombitz(13828)

 Question 179272: Solve by substitution or elimination method: -2x+6y=19 10x-30y=-15 Click here to see answer by Fombitz(13828)

 Question 179347: Man made taffy apples. He used 1 lb of taffy for every 70.7 lb of apples. He made 17637 lb of taffy apples. How many lb taffy did he use? How many lb apples did he use? Round to nearest tenth. Click here to see answer by Mathtut(3670)

 Question 179374: I need help with this question. Mr. Jacobs can correct 150 quizzes in 50 minutes. His student aide can correct 150 quizzes in 75 minutes. Working together, how many minutes will it take them to correct 150 quizzes? Click here to see answer by Mathtut(3670)

 Question 179230: I have to use two different types of milk (eg. Milk A & B)which have two different protein to fat ratios - in percents per 100 litre of milk. In milk A, the protein to fat ratio is 3.3/ 3.85. = .857 In milk B, the protein to fat ratio is 4.3/ 2.50 = 1.72 What quantities of milk A and B should be used to get 6000 L of mix at a ratio of (protein/fat) = 1.05 If possible let me know the equation used for this thanks Click here to see answer by scott8148(6628)

 Question 167798: Use a proportion to solve. Ben Hale is driving his new Toyota Camry on Interstate 90 at 45 miles per hour. He accelerates at the rate of 3 miles per hour every 2 seconds. HOw fast will he be traveling after accelerating for 11 seconds? Click here to see answer by HyperBrain(694)

 Question 180076: what is the probability of selecting a composite whole number from the whole numbers 2-15. Click here to see answer by stanbon(57361)

 Question 180297: Editor of school newspaper must reduce the size of a graph to fit one column. Original is 2" x 2", and the scale factor from the original to the reduced graph is 8:3. Find the dimensions of the graph as it will appear in one column of newspaper. I have tried: 2/8 2/3 = 1/4 . 2/3 = 3/8 ???? Please help. Click here to see answer by stanbon(57361)

 Question 180496: ok i got 3 questions since there is a daily 4 questions per day. the slash "/" will indicate the fraction dash. *there is no textbook involve* 3x-6/2-x = 3/2 8/z-2 = z+2/4 Click here to see answer by ankor@dixie-net.com(15653)

 Question 180811: A liter bottle contains 43 grams of proteins. How many mg's of protein would a patient receive in an hour administrated at a rate of 60 ml/hr? Click here to see answer by Mathtut(3670)

 Question 181419: If you are finding proportions, then if it is a decimal, what would this answer be, and please explain how you got the answer, 67.2/g = 16.8/3.3 Click here to see answer by eperette(173)

 Question 181454: i do not understand scales for pre algebra here is my question: Actual size:30ft drawing size: 6 inches Click here to see answer by josmiceli(9681)

 Question 181582: Use proportions to solve the following. the ration of Taylor's CD's to Dave's CD's is 7 to 8. If they have a total of 150 CD's, how many Cd's does Taylor have? Click here to see answer by solver91311(16897)

 Question 181778: the sum of the reciprocals of two consecutive even integers is 11/60. what are the integers? Click here to see answer by checkley77(12569)

 Question 181777: The sum of the reciprocals of two consecutive odd integers is 8/15 (which is a fraction). What are the integers? Click here to see answer by user_dude2008(1861)

 Question 182070: Ratio and Proportion Question A cell phone company charges 0.25 cents a minute, a customer was charged \$15.75 for her monthly bill. How many minutes did she use that month? Please show work. Thank You! Click here to see answer by checkley77(12569)

 Question 182363: Ratio and Propertion Sarah drives from Baltimore to Ocean City at an average speed of 65 miles per hour. If the distance is 160 miles, how long will the trip take? Thank you Click here to see answer by Mathtut(3670)

 Question 182610: How do I solve proportions? Ex: 7 over 3 is equal to 52 over n. Click here to see answer by jim_thompson5910(28595)

 Question 182697: Hi I.m Betty I was just online with I submitted a problem and was writing back to you my e-mail is bmurray0208@live.com sorry my power just clicked off for a second and I lost you. Hope I can continue where I left off. Here is the problem again.What percent of 12 letters is 4 letters? During his basketball season Jeff made 520 baskets out of 1280 attempts, What was his shooting percentage? Round to the nearest whole percent. Click here to see answer by jim_thompson5910(28595)

 Question 182924: 9. The area of a rectangle is 45 square cm. If the length is 4 cm greater than the width, what are the dimension of the rectangle? Click here to see answer by Molly27(1)
 Question 182924: 9. The area of a rectangle is 45 square cm. If the length is 4 cm greater than the width, what are the dimension of the rectangle? Click here to see answer by checkley77(12569)

 Question 183038: karen wants to bake a cake. The recipe calls for 2 cups of flour. karen only has 28 tablespoons of flour. What percent of a cake can she bake? Ok so ive figured out that 1 cup has 16 tablespoons so 2 cups is 32 tablespoons, but since she only has 28, thats where i get confused because i dont know how to find the percentage of the cake she could bake. please help me Click here to see answer by jim_thompson5910(28595)

 Question 183008: Darla bicycled at an average rate of 15 miles per hour in a 60 kilometer race. Determine the lenght of time in hours that it took her to complete the race.(hint: 1.6 kilometers= 1 mile) please help Click here to see answer by stanbon(57361)

 Question 183090: identify the amount,base,and p value of 25% of 400cars is 100 cars 45 of 50 children is 90% in a recent survey38% ofUnited States say that gas prices have affected the type 0f vehecle they will buy. In a sample of 500 people who are in the market for a new vehcle,how many would you expect to be influenced by gas prices? Yellowstone National Park has 3366mi.2 of undevelopedland. If this represents 99% of the totalarea,fine the total area of the park? As of the2002--2003 football season,Peyton Manning had completed 1357 passes out of 2226 attempts. Find his completion percetage to the nearest tenth of a percent. Click here to see answer by stanbon(57361)

 Question 183121: I sent some problems to you last night,just want to make sure you recieved Thank You Betty Click here to see answer by Alan3354(30993)

 Question 184075: I would like help with the following problem A flagpole is 12.5 m tall. It casts a 17.5-m shadow. How tall is a nearby radio tower that casts a 61.25-m shadow? All help with my problem is greatly appreciated.Thank You:) Click here to see answer by vleith(2825)

 Question 184073: I would like help with the following problem Solve by using a proportion. If the answer does not come out evenly, round it to the nearest hundredth. You read 500 words in 3 minutes. At that rate, how many words would you read in 20 minutes? All correct answers are greatly appreciated.Thank You:) Click here to see answer by vleith(2825)

 Question 184074: I would like answer to the following problem. A boy 1.6 m tall casts a 2.4-m shadow. How tall is a nearby streetlight that casts a 7.2-m shadow? All correct answers are greatly appreciated.Thank You:) Click here to see answer by solver91311(16897)

 Question 184072: I would like help with the following question. Solve by using a proportion. If the answer does not come out evenly, round it to the nearest hundredth. You earn \$33 in 8 hours. At that rate, how much would you earn in 5 hours? All direct answers are greatly appreciated:) Click here to see answer by solver91311(16897)

 Question 184071: I would like help with the folllowing problem :) Solve by using a proportion. If the answer does not come out evenly, round it to the nearest hundredth. You buy 3 cassette tapes for \$18.48. At that rate, how much will 4 tapes cost? All direct answers I recieve are greatly appreciated,Thank You Click here to see answer by Alan3354(30993)

 Question 184024: Change 4 5 10 and 11 into a fraction Click here to see answer by Alan3354(30993)