Questions on Algebra: Proportions answered by real tutors!

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Question 258481: how do u write 3 equivalent ratios for 2/9
Click here to see answer by richwmiller(17219)

Question 258539: 14/18=21/n
what does n equal
Click here to see answer by drk(1908)

Question 258549: One ream contains 500 sheets of paper and is about 5.2 cm thick. Considering this information, find the volume of one sheet of letter-size paper in cubic centimeters. The demensionsof a sheet of letter size paper are approximately 21.5 cm by 27.9 cm.
Click here to see answer by Alan3354(69443)

Question 258538: 14/18=21/n

Click here to see answer by checkley77(12844)

Question 258799: In a scale drawing of a house, the living room is 1 in long. The actual length is 24 ft. On the drawing, a hallway is 1/4 in. wide. Find the actual width.
Click here to see answer by unlockmath(1688)

Question 259077: Tell what the ratio is multiplied by to produce the equivalent ratio of 6/12=9/18. I solved this and i got 1/2. But my math teacher said that the answer is 1.5. How can the answer be 1.5?
Click here to see answer by rfer(16322)

Question 259692: If m is directly proportional to x and m = 2 when x = 12, then what is the value of x when m = 2^-1?
Click here to see answer by stanbon(75887)

Question 260036: A man is walking away from a lamppost with a light source 6m above the ground. The man is 2m tall. How long is the mans shadow when he is 10 m from the lightpost. Hint use similar triangles>
Click here to see answer by checkley77(12844)

Question 260090: solve each problem by writing the unit rate in the lowest terms.
(1) ken purchased 100 pencils for $4.00.________
Click here to see answer by richwmiller(17219)

Question 260515: solve for u
3/17=u/5

Click here to see answer by onlinetutor365.com(14)

Question 260852: at the copy shoppe, 18 copies cost $1.08. at that rate how much will 40 copies cost
Thanks
Click here to see answer by Greenfinch(383)

Question 261014: what is n/1=28/7 what does n stands for i dont get it
Click here to see answer by rfer(16322)

Question 261262: If I spend $52 on apples and oranges and apples cost $2 and oranges are $1, how many apples do I buy?
Click here to see answer by josmiceli(19441)

Question 261488: 1.0000 EUR(Euro) is equivalent to 0.7615 USD(U.S.Dollars).
Use a porportion to convert $2,500 to EUR.
Click here to see answer by palanisamy(496)

Question 261867: write a proportion to find the answer to 25% of what number is 30

Click here to see answer by richwmiller(17219)

Question 261872: 30/48=15/x+9
Click here to see answer by checkley77(12844)

Question 262209: Jeff and Diana are working on Math homework. Jeff can comlete 4 math problems in 11 minutes. Diana can complete 7 math problems in 25 minutes. Who is faster?
11/4=25/7
2.75=3.57
Jeff is faster.
Is this right
Click here to see answer by Theo(13342)

Question 262213: Amy is making a pitcher of juice for her party. She has two different recipes to choose from. Welch's Grape Juice = 3 cups grape concentrate, 5 cups cold water. The other is Brand X Grape Juice = 2 cups grape concentrate, 3 cups cold water.
What fraction of each recipe is concentrate? 3/8, & 2/5
What percent of each recipe is concentrate? 3/8=37.5=38 percent, & 2/5=40 percent
Which recipe should Amy choose if she wnts her juice to have the most grape flavor? the Brand X Grape Juice
Is this right?
Click here to see answer by Theo(13342)

Question 262212: Amy is making a pitcher of juice for her party. She has two different recipes to choose from. Welch's Grape Juice = 3 cups grape concentrate, 5 cups cold water. The other is Brand X Grape Juice = 2 cups grape concentrate, 3 cups cold water.
What fraction of each recipe is concentrate? 3/8, & 2/5
What percent of each recipe is concentrate? 3/8=37.5=38 percent, & 2/5=40 percent
Which recipe should Amy choose if she wnts her juice to have the most grape flavor? the Brand X Grape Juice
Is this right?
Click here to see answer by drk(1908)

Question 262461: A 6-ft observer casts a 4-ft shadow at the same time a chimney casts a 238-ft shadow. How tall id the chimney?
Click here to see answer by richwmiller(17219)

Question 263556: 8=X/3-8
I KNOW U ADD 8 FROM BOTH SIDES BUT THEN WHAT
Click here to see answer by checkley77(12844)

Question 263808: John and Ann are having a birthday party. John invited 14 people and will serve 3 cakes. Ann invited 28 people and is serving 7 cakes. At whose party will the guests get the most cake?
3 cakes to 14 people = 3/14 = .21 piece of cake p/person
7 cakes to 28 people = 7/28 = .25 piece of cake p/person
The most cake p/guest will be served at Ann's party.
This right?
Click here to see answer by checkley77(12844)

Question 264134: I have one question,
Miracle wants to sell a 40 fluid oz bottle at the same unit rate of the 12 fluid oz bottle (hint: The 12 fluid oz is $1.32 a bottle) how much will she charge for the 40 fluid oz?

Click here to see answer by checkley77(12844)

Question 261127: EXPRESS EACH RATE IN PER UNIT FORM solve and explain
question
if johnny drives at an average speed of 40 miles/hr, how long will it take for johnny to go 50 miles
Click here to see answer by Alan3354(69443)

Question 264339: it takes four men, 24 hours to build a fence. how many hours will it take six men to build a fence?
Click here to see answer by JBarnum(2146)

Question 264717: the wool sales for one week in New York amounted to 555,000lbs. the ratio of the domestic sales to the foreign sales was 14 to 23. What were the foreign sales?
Click here to see answer by josmiceli(19441)

Question 265166: find the value of m that makes the proportion m over 4 = m-6 over 12 a true statement.
Click here to see answer by stanbon(75887)

Question 265283: three tea bags are needed to make a gallon of iced tea. How many tea bags are needed to make four gallons

Click here to see answer by rfer(16322)

Question 265283: three tea bags are needed to make a gallon of iced tea. How many tea bags are needed to make four gallons

Click here to see answer by stanbon(75887)

Question 265345: The ratio of the measures of a pair of sides of a rectangle is 7:12. If the perimeter of the rectangle is 95, what is the length of each side?
Click here to see answer by mananth(16946)

Question 266292: 1:3/4 = 2/3:x what is x
Click here to see answer by stanbon(75887)

Question 266876: if the ratio of the length to the width of a rectangle is 4:3 and the perimeter is 84 centimeters, find its area.
Click here to see answer by dabanfield(803)

Question 267069: A person who is 6 feet tall walks away from a 50-foot silo toward the tip of the silo's shadow. At a distance of 32 feet feet from the silo, the person's shadow begins to emerge beyond the silo's shadow. How much farther must the person walk to be completely out of the silo's shadow?
Click here to see answer by scott8148(6628)

Question 267565: Jack starts at a 20320 summit and walks downhill at a rate of 4 feet per second. Jill starts at the bottom of the mountain and walks uphill at a rate of 1 foot per second. At what elevation will they meet?
Click here to see answer by drk(1908)

Question 268183: Out of 525 people surveyed, 210 answered yes. Estimate how many people would answer yes if 900 people were surveyed.
Click here to see answer by azhou4(12)

Question 268566: The sum of two numbers is 148.The larger number is 16 more than twice the smaller number.What are the numbers?
Click here to see answer by azhou4(12)

Question 268566: The sum of two numbers is 148.The larger number is 16 more than twice the smaller number.What are the numbers?
Click here to see answer by stanbon(75887)

Question 268600: A board 28 feet long is cut into two pieces and the length of the two pieces are in the ratio of 2 to 5. find the lengths of the two lengths.
Click here to see answer by drk(1908)

Question 268495: a-11 = 7
a+10 = 9
Click here to see answer by persian52(161)

Question 269186: 6x=solution is -8
Click here to see answer by persian52(161)

Question 269786: After driving 126 miles, a person found that the drive would have taken 1 hour less time by increasing the speed by 8mph. What was the actual speed?

Click here to see answer by ankor@dixie-net.com(22740)

Question 269992: Jennifer has 2 rectangular tablecloths that are similar. The dimensions of the larger tablecloth are 1.5 times as large as the dimensions of the smaller tablecloth. If the perimeter of the larger tablecloth is 24 feet, what is the perimeter of the smaller tablecloth?
Click here to see answer by edjones(8007)

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