Questions on Algebra: Proportions answered by real tutors!

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Question 143903: 16/3y = 12/5
The slash is a fraction symbol.
Click here to see answer by checkley77(12569)

Question 143987: A lawyer bills her clients $250 per hour of service. If a client's case requires 47 hours to complete, use proportion to calculate how much the client will owe the lawyer (excluding tax).
2. A new virus is released on the internet; the administrator of a department's Local Area Network ( LAN) is given five minutes by a manager to estimate the impact. The administrator samples 12 of the PCs connected to the LAN, and finds that 7 are infected; use proportion to estimate the number of infected PCs if there are a total of 117 PCs connected to the LAN.

3. An administrator of a popular web site is told that a new server can handle 11,000 "hits" (users accessing the site) per second. The web site currently experiences a peak demand of about 85,000 hits per second; but every month, the peak demand increases by 3500 hits per second. Use a proportion equation to determine how many new servers the administrator should buy to address expected traffic for the next 18 months.

Click here to see answer by mickeydollys04(1)

Question 144058: y varies directly to x y=-9 and x=-12 if x=2 what does y=
Click here to see answer by edjones(7569)

Question 144290: you and your college roommate travel to your respective hometowns in the same amount of time. you drive 210 miles and and your drives 190 miles. your friends average speed is 6 mph lower than your. what are your average speed and your friends?
Click here to see answer by checkley77(12569)

Question 144478: How many gallons of a 12% solution must be mixed with a 20% soltion to get 10 gallons of a 14% solution?
Click here to see answer by ankor@dixie-net.com(15624)

Question 146518: The total cost(in dollars) for a company to manufacture and sell x items per week is:C=0.6xsq-140x+6200
and the revenue (in dollars)by selling all x items is:
R=-0.4xsq+130
How many items must be sold to obtain a weekly profit of $10000?
Thank you
Nicole
Click here to see answer by checkley77(12569)

Question 146757: The Golden Ratio. The ancient Greeks thought that the most pleasing shape for a rectangle was one for which the ratio of the length to the width was 8 to 5, the golden ratio. If the length of the rectangular painting is 2 feet longer than its width, then for which dimensions would the length and the width have the golden ratio?
Click here to see answer by edjones(7569)

Question 147305: solve for the indicated letter: a=5b, for b. b=?
Click here to see answer by vleith(2825)

Question 147820: Section 6.7, Exercises # 60
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 ankor@dixie-net.com(15624)

Question 148140: Three individuals form a partnership and agree to divide the profits equally. X invests $9,000, Y invests $7,000, Z invests $4,000. If the profits are $4,800, how much less does X receive than if the profits were divided in proportion to the amount invested?

Click here to see answer by stanbon(57219)

Question 148513: Problem: An administrator of a popular web site is told that a new seerver can handle 41,000 "hits" per second. The web site currently experiences a peak demand of about 105,000 hits per second; but every month, the peak demand increases by 2800 hits per second. Use a Proportion equation to determine how many new servers the administrator should buy to address expected traffic for the next 24 months.

Click here to see answer by vleith(2825)

Question 148553: the points A, P, Q, and B appear in this order on a line, so that AP:PQ = 2:3 and PQ:QB = 5:8. Find whole numbers trhat are proportional to AP:PQ:QB.
Click here to see answer by ankor@dixie-net.com(15624)

Question 148563: Problem: An administrator of a popular web site is told that a new server can handle 41,000 "hits" per second. The web site currently experiences a peak demand of about 105,000 hits per second; but every month, the peak demand increases by 2800 hits per second. Use a proportion equation to determine how many new servers the administrator should buy to address expected traffic for the next 24 months.
Click here to see answer by stanbon(57219)

Question 148735: The distance of station from the house of Ramakant Babu is 8km.He covers this distance in 36 minutes,travelling first part at the speed of 10km. per hour by bi-cycle and the second part at the speed of 18km. per hour by auto-rickshaw.What distance does he travel in each part?
Click here to see answer by stanbon(57219)

Question 148968: solve the proportion 3x 4
-- = --
x + 1 x
Click here to see answer by mangopeeler07(462)

Question 149143: How can I solve a proportion problem?

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Question 149144: the product of 46 and y-8
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Question 149638: how do you do this? Find the missing number: 20/32 = ?/24
Click here to see answer by jim_thompson5910(28476)

Question 150083: Solve the prportion:
41.) x square+5x+6 over x square-2x-8 = x square -4x-5 over x square-8x+15
Please and thank you
Click here to see answer by scott8148(6628)

Question 150127: A cell divides into two identical copies every 4 minutes. How many cells will exist after 3 hours?
Click here to see answer by jojo14344(1512)

Question 150681: how do you find the dimensions of the length and the width of a rectangle that is 2ft longer than its width if the ratio of the length to the width was 8 to 5?
Click here to see answer by josmiceli(9649)

Question 150684: It takes 8 CPUs 24 hours to export 2.2 TB from a database. How much time will it take for 18 CPUs?
Click here to see answer by josmiceli(9649)

Question 150682: what is the image distance i for an object that is 2,000,000 mm, from a 250mm telephoto lense , if the formula for the focal length F for a camera lens is: l
over f= l over o + l over i. (f= focal, o= objec, i= image)
Click here to see answer by Fombitz(13828)

Question 151662: tables vary inversely as chairs squared. how many tables go with 10 chairs if 100 tables go with 2 chairs.
Click here to see answer by ankor@dixie-net.com(15624)

Question 152764: question 1: 120% of y is 42. what is y
question 2: 300% of m is 600. waht is h
question 3: what percent is 54 of 60
question 4: what percent is 39 of 50
Click here to see answer by oscargut(891)

Question 153070: It takes a computer 8 days to print all of the letters for a sweepstakes. A new computer is purchased that can do the same job in 5 days. How long would it take both computers working on it.
Click here to see answer by checkley77(12569)

Question 153067: Rise and Run. If the rise is3/2 and the run is 5, then what is the ratio of the rise to the run.
Click here to see answer by Earlsdon(6287)

Question 153067: Rise and Run. If the rise is3/2 and the run is 5, then what is the ratio of the rise to the run.
Click here to see answer by orca(409)

Question 153068: A survey of college sophmores showed that 5/6 of the males were taking a math class and 3/4 of the females were taking a math class. One third of the males were enrolled in calcus, and 1/5 of the females were enrolled in calculus. If just as many males as females were surveyed, then what fraction of the surveyed students taking math were enrolled in calculus? Rework this problem assuming that the numbers of females in the survey was twice the number of males.
Click here to see answer by stanbon(57219)

Question 152814: In a girl guide camp 80girls had food for 15 days, 40 more jioned them after 3 days, for how mnay days the remaining food will suffice.

Click here to see answer by checkley77(12569)

Question 153226: There were 100 politicians at certain convention.Each politician was either crooked or honest. we are given the following 2 facts. a. at least one of the politician was honest. b. given any two of the politicians at least one of the two was crooked. Can it be determined from these facts how many were crooked? if so how many? If not why not?
Click here to see answer by vleith(2825)

Question 154386: Solve for T in PV = nRT
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Question 154384: How long will it take a girl walking 3 miles per hour to travel 5 miles?
Click here to see answer by vleith(2825)

Question 154387: Which is the largest number in this series: 1 x 10-2, 0.009,1/1000 ?
Click here to see answer by vleith(2825)

Question 154385: An apple pie was cut into 8 slices. One slice was removed. What portion of the pie was removed?
Click here to see answer by vleith(2825)

Question 154553: For a certain event, 812 tickets were sold, for a total of $1912. If students paid $2 per ticket and nonstudents paid $3 per ticket, how many student tickets were sold?
Click here to see answer by checkley77(12569)

Question 154599: 5 IS TO 12 AS X IS TO 48. WHAT DOES X EQUAL?
Click here to see answer by scott8148(6628)

Question 154599: 5 IS TO 12 AS X IS TO 48. WHAT DOES X EQUAL?
Click here to see answer by stanbon(57219)

Question 154877: An aluminum plate is made according to the following dimensions. The outer radius is 10 inches and the inner radius is 3 inches.
Use p = 3.14 as an approximate value. (a) How many square inches in area is the aluminum plate? (b) If the cost to construct the plate is $7.50 per square inch, what is the construction cost?
Can you please explain this to me with an algebraic example? Thank you.
Click here to see answer by jojo14344(1512)

Question 155301: if AB=71/5 & EF=12 what is the ratiio in the loweswt terms
Click here to see answer by stanbon(57219)

Question 155604: A state sales tax rate is 4.8%. If the tax on a purchase was $23.76, what was the price of the purchase?
Click here to see answer by stanbon(57219)

Question 155798: Use dimensional to change
A.50 Meters per second to Kilometer per hour?
B.0.025 day to second?
C.1200 Ounces to tons (16 oz = 1ib;2000 = 1 ton).
Click here to see answer by stanbon(57219)

Question 155808: What is the ratio between 1.5km and 70km.
Click here to see answer by stanbon(57219)

Question 156172: Find the unit rate?
$42 at 5 compact discs ?
Click here to see answer by edjones(7569)

Question 156410: how could you solve this question:
a rock climber burns 60 calories for every 5 minutes of rock climbing.
write a proportion on the lines below to determine how many calories a rock climber would burn in 7 minutes.

thanks if you answer this but can you try to get it answered by the morning of september 12,2008 thanks
Click here to see answer by jojo14344(1512)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970