Questions on Algebra: Proportions answered by real tutors!

Tutors Answer Your Questions about Proportions (FREE)

Question 289530: 8x^2+14x-15
Click here to see answer by Fombitz(32388)

Question 289836: if boys and girls are in the ratio 7:5 and boys is 8 more than girls calculate the total number of studens

Click here to see answer by richwmiller(17219)

Question 289990: please explain x/2 = 8/x.
Click here to see answer by Fombitz(32388)

Question 290387: How many liters of a 16% acid solution should be mixed with 20 liters of 50% acid solution in order to obtain a 36% solution?
Thank you!
Click here to see answer by richwmiller(17219)

Question 290551: 12 is what percent of 19?
Click here to see answer by richwmiller(17219)

Question 290559: 5.8 is 0.9 percent of what number?
Click here to see answer by checkley77(12844)

Question 290522: 12x-7 5x+18
______ = _______
4 3
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Question 291355: how do you right out proportions?
Click here to see answer by richwmiller(17219)

Question 291801: In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,800 words. Using a smaller type, a page contains 2,400 words. The article is allotted 21 full pages in a magazine. How many pages must be
in smaller type? ___________
Click here to see answer by checkley77(12844)

Question 291915: I am having trouble with some weird/difficult proportion questions~
6/25 is equal to e/80
e=?

Click here to see answer by Alan3354(69443)

Question 291915: I am having trouble with some weird/difficult proportion questions~
6/25 is equal to e/80
e=?

Click here to see answer by richwmiller(17219)

Question 292398: EXPLAIN WHY THE MULTIPLICATIVE INVERSE OF A NUMBER HAS THE SAME SIGN OF THE NUMBER?
EXPLAIN WHY THE ADDITIVE INVERSE OF A NUMBER HAS THE OPPOSITE OF THE NUMBER
Click here to see answer by richwmiller(17219)

Question 292411: a-2/6 = 6a-8/a
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Question 293138: Please help me solve this equation:
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Question 293641: Another ratio related to heart health is the ratio of LDL cholesterol to HDL cholesterol. The optimal ratio of LDL to HDL is below 3. If a patient's total cholesteral is 168 and HDL is 44, is the ratio optimal? Explain.
Click here to see answer by brucewill(101)

Question 294047: what is an algebraic proporttion?
Click here to see answer by nyc_function(2741)

Question 294190: How do you solve this proportion:
z is to 7, as 16 is to 56
It must be solved with algebra.
Click here to see answer by jim_thompson5910(35256)

Question 294190: How do you solve this proportion:
z is to 7, as 16 is to 56
It must be solved with algebra.
Click here to see answer by Deina(147)

Question 294455: i cant find the answer to this problem.
1/6=7/42
Click here to see answer by vleith(2983)

Question 294455: i cant find the answer to this problem.
1/6=7/42
Click here to see answer by richwmiller(17219)

Question 294438: A watch loses 2 minutes every 15 hours how much time will it lose in two hours?

Click here to see answer by checkley77(12844)

Question 294266: find the unit rate: you run 3 miles in 45 minutes.
Click here to see answer by richwmiller(17219)

Question 295755: Mike and Dave play the following game. Mike picks from the deck of cards. If he draws a heart, Dave gives him $5. If not he gives Dave $2.
A. Determine mikes expectation
B. Determine Daves expectation
Click here to see answer by stanbon(75887)

Question 296013: A printing press produces 4,200 posters per hour. at this rate,in how many minutes can the printing press produces 840 posters
(A) 0.2 (B) 1.5 (C) 5 (D) 12 (E) 70

Click here to see answer by unlockmath(1688)

Question 296568: "How can i convert 64 in. to feet"
Click here to see answer by mananth(16946)

Question 296683: How many sides will a shape have if the ratio is 5.0000 or higher?
Click here to see answer by richwmiller(17219)

Question 297243: Happiness is directly related to optimism and inversely related to anger. If happiness is 8 when optimism is 6, anger is 2. What is happiness when optimism is 4 and anger is 4?
Click here to see answer by CharlesG2(834)

Question 297364: F(X)=Y
X-2/(X+1)(X-3)

Click here to see answer by richwmiller(17219)

Question 297433: a student answered 87.5% of the exam correctly. if she answered 42 problems correctly, how many questions were therer on the exam?
Click here to see answer by vleith(2983)

Question 297433: a student answered 87.5% of the exam correctly. if she answered 42 problems correctly, how many questions were therer on the exam?
Click here to see answer by josmiceli(19441)

Question 298212: Bear population. To estimate the size of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later, a random sample of 100 bears included only 2 tagged bears.
What is the conservationist�s estimate of the size of the bear population?

Click here to see answer by richwmiller(17219)

Question 298232: A train has traveled 150 miles toward its destination. This distance represents 30% of the total trip. What will the total mileage be?
Click here to see answer by Deina(147)

Question 298225: Need help setting up the problem and solving for the following:
South Wind Vineyards uses 860 acres to plant Chardonnay and Riesling grapes. The vintner knows the profits will be greatest by planting 230 more acres of Chardonnay than Riesling. how many acres of each grape should be planted?
Click here to see answer by ankor@dixie-net.com(22740)

Question 299867: The radius of a circle is 1 meter longer than the radius of another circle. If their areas differ by 5 square meters, then what is the radius of each?
Click here to see answer by ankor@dixie-net.com(22740)

Question 300334: The sales tax is $18 on a diamond ring that sells for $600. What is the sales tax rate? I am having a difficult time with how to set up this problem.
Click here to see answer by Alan3354(69443)

Question 300784: The amount of time taken to build a house is inversely proportional to the
number of construction workers on the job. If it takes 6 workers 6 days to complete such a job, how many days will it take if the job is done by only 4 workers?
Click here to see answer by Alan3354(69443)

Question 301382: The ratio between two positive numbers is
6 to 5. If the difference between the two
numbers is 8, what are the two numbers?
Click here to see answer by Fombitz(32388)

Question 301391: A prescription calls for 100 mg of a drug that you have in a 250 mg/ 5 ml concentration. How many ml of the liquid do you need
Click here to see answer by solver91311(24713)

Question 301453: is 8 over 11 equal to 24 over 33
Click here to see answer by checkley77(12844)

Question 301610: If 12 cans of peaches cost $16.08, what would 7 cans cost?
Click here to see answer by Fombitz(32388)

Question 301836: Sherry maneuvered her way through the first 60 miles in 4 hours. Then she doubled her speed for the last part of the trip. If the total trip was 300 miles,how many hours did it take Sherry to complete the last part?

Click here to see answer by mananth(16946)

Question 303566: The measures of the angles in a triangle are in the extended ratio of 3:4:5. Find the measure of the angles.
Click here to see answer by richwmiller(17219)

Question 303737: According to a certain recipe , 25 pounds of flour are needed to make 300 rolls. At this rate , how many pounds of flour are needed to make 12 rolls ?
A 1 b 2 c 3 d 4 e 6

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

Question 303975: jennie bought 6 boxes of pencils for $4.How many boxes of pencils can she buy with $6
Click here to see answer by richwmiller(17219)

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