Questions on Algebra: Proportions answered by real tutors!

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Question 666536: you have a map with a scale of 1 inch= 50 miles. If you measure that two cities are 4 1/2 inches apart on the map, what is the actual distance in kilometers between the two cities?
Click here to see answer by ReadingBoosters(3246)

Question 666734: 1 over A equal to 2 over 14
Click here to see answer by MathLover1(20849)

Question 667146: � One pipe can fill a tank in 5hrs less than another , together they fill the tank in 5hrs , how long will it take each to fill the tank?
Click here to see answer by lwsshak3(11628)

Question 667147: � A person can do a job in 5hrs, working with another person the job take 3hrs, How long will it take the second person to do the job?
Click here to see answer by nerdybill(7384)

Question 515985: how do you solve this:
2.3:3:____
�variable is empty... not an equation

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Question 667444: 1/4 = w/28 what does w stand for
Click here to see answer by Alan3354(69443)

Question 667844: A sofa is 8 feet long. In a scale drawing, the sofa is 4 inches long. Find the scale of the drawing without units.

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Question 668256: Brandon goes to the store and finds an item that is normaly $30 is on sale for $24. the sale is the same as what percentage off the original price of that item?
Click here to see answer by stanbon(75887)

Question 668365: if the scale of a park is 1 inch = 20 feet, measuremaent on the map of 6 inches stands for how much distance is the actual park?
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Question 669547: ry+z/m-t=x for y
Click here to see answer by MathLover1(20849)

Question 669966: Is this a proportion:
15/27=2x/11
I don't think I've seen a proportion with a number next to the variable.
Thank you
Click here to see answer by KMST(5328)

Question 670757: the ratio of boys to girls in a class is 2:3 if there are 18 girls in the class, how many boy are there
Click here to see answer by stanbon(75887)

Question 670757: the ratio of boys to girls in a class is 2:3 if there are 18 girls in the class, how many boy are there
Click here to see answer by checkley79(3341)

Question 670741: what percent of 29 is 3 and can you show me how you did it
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Question 672431: 0.125 of what number is 5.25?
Click here to see answer by stanbon(75887)

Question 672808: A factory produces
6 motorcycles in 9 hours. Write a
proportion and solve it to find how
many hours it takes to produce
16 motorcycles.
Click here to see answer by stanbon(75887)

Question 674946: How fast was a car traveling if it left a 140 ft long skid mark when it was forced to stop quickly.
Click here to see answer by Alan3354(69443)

Question 674975: 30/5.9=k/10
Click here to see answer by ReadingBoosters(3246)

Question 675099: I need to know what 8/1=28/x can you help me solve this please.
Click here to see answer by lynnlo(4176)

Question 675088: 5/6 = c/9
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Question 675224: Assume that X has a normal distribution, and find the indicated probability.
The mean is μ = 60.0 and the standard deviation is σ = 4.0.
Find the probability that X is less than 53.0.
Click here to see answer by stanbon(75887)

Question 676549: Mean proportional of a and b is 14. If a+b=53, then find a and b.
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Question 676900: PROPORTIONS-Janessa bought 4 stamps for $1.48.At this rate, how much would 10 stamps cost? (please explain)
Click here to see answer by littlebitlove(26)

Question 677062: What is the ratio of 48/40?
Click here to see answer by lynnlo(4176)

Question 677062: What is the ratio of 48/40?
Click here to see answer by Alan3354(69443)

Question 677392: How do you set up the proportion for, what percent of 52 is 13
Click here to see answer by rfer(16322)

Question 677392: How do you set up the proportion for, what percent of 52 is 13
Click here to see answer by stanbon(75887)

Question 677392: How do you set up the proportion for, what percent of 52 is 13
Click here to see answer by Edog1326(1)

Question 677475: Rob can make 2 seats in 11 mins. how long will it take for him to make 16 seats.
NEEDS TO BE WRITTEN AS A PROPORTION!!!!!!!!!!!!!!!!!!
Click here to see answer by josmiceli(19441)

Question 678001: how would I solve 5=4-3y over 5

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Question 678097: how do I solve 2x-2=5(x-3) over 11
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Question 678128: 8 dug 3/8 of tunnel in 10 days. If they need to finish the remaining 5/8 of the tunnel in 7/3 days, how many more workers must they hire?
Click here to see answer by ankor@dixie-net.com(22740)

Question 678745: Algebra: About 13 out of 20 homes have a personal computer.on a street with 60 homes, how many would you expect to have a personal computer?
SO, what I did was that i first lined up the proportion like this: 13/20 = x/60 but another person is saying it's like this: 13/x = 20/60
I am not sure which one is right...

Click here to see answer by jim_thompson5910(35256)

Question 678994: I need help with finding an equation for:
A piece of wire is 5 feet long is to be cut into 2 pieces, one piece is X feet long and is bent into the shape of an equilateral triangle. the other piece is bent into a circle. Find an equation for the total area of the triangle and the circle as a function of X.

Click here to see answer by josmiceli(19441)

Question 679987: create proportion from 9,1,3,27
Click here to see answer by stanbon(75887)

Question 654612: The scale factor on the copier is set at 2/5. You put a 20 inch by 35 inch poster in the copier. What will be the size of the new copy? (Hint:Scale Factor is the number you multiply by to keep ratio equivalent)
Click here to see answer by Kaylie.lo123(1)

Question 680375: After teaching ratios and porportions and using them in word problems I have an idea for my students to create a snowman on classroom door using three circles. I want the activity to apply to our math lessons. I need help figuring out a scale or just exactly how to set up problem.We have done a chocolate chip cookie recipe where the ingredients were given for 10 students and they had to figure the proportions and fix the recipe for 15 students. This is for 6th grade.Any suggestions?
Click here to see answer by solver91311(24713)

Question 681898: Please help me with the following proportion....x+1 over x-1 = 14 over 20 Thankyou
Click here to see answer by Alan3354(69443)

Question 681898: Please help me with the following proportion....x+1 over x-1 = 14 over 20 Thankyou
Click here to see answer by ReadingBoosters(3246)

Question 682354: How do i solve x/10=4/5
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Question 682354: How do i solve x/10=4/5
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Question 682565: A metallurgist needs to produce 10kg of an alloy which is 65% copper and 35% tin. He has an alloy which is 50% copper and 50% tin. How Much of this 50-50 alloy must he melt together with pure copper to make the desired alloy? How much copper must he use? If necessary, round each answer to the nearest tenth of a a kilogram.
Click here to see answer by mananth(16946)

Question 682627: What is x ,
X=x-24/9
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Question 684163: A cup of lemonade is made by mixing frozen lemonade concentrate with water in the ratio of 1 : 3. How many cans of concentrate are needed to prepare 12 cups of lemonade?
Click here to see answer by josmiceli(19441)

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