Questions on Algebra: Proportions answered by real tutors!

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Question 447659: what is n/8=1/3...what does n=
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Question 445239: 18% of 150
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Question 444623: (3x+11)/30=2x/5+7/10
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Question 444896: A scale on a map shows that 2 inches = 35 miles. If the distance on the map between two cities is 8.5 inches, what is the actual distance between the cities?
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Question 442112: 4/8 = 12/x+5
please help with the answer

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Question 437534: A locomotive of a model train is 5 inches long. If the actual locomotive is 80 feet long, what is the scale of the model?
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Question 438495: At a yard sale, Alexandaria paid $12 for 18 records. Which proporation can be used to find the number of records (r)she could buy for $30?
a r/12 = 18/30
b 30/12= 18/r
c r/30 = 18/12
d 12/r = 30/18

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Question 434553: triangle BIG is similar to triangle MOP. Find v
IG = 38 ft
BG = 58 ft
BI = v
PM = 87 ft
MO = 51 ft
PO = not given
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Question 429319: 4/17=x/68
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Question 458785: If x:y=5:12,y:z=8:3 and z:w=9:16 then find x:w?i have got the answer it is 5:8 but the method is not correct.Please explain the method.
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Question 458788: The mean proportion of 0.32 and 0.02 is what?Thanks.
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Question 459001: find the unit rate of $11.58 for 8.2 galons
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Question 459169: A club has 7 members.If the club wants to select a president, vice president, and treasurer, (all of whom must be different)in how many ways can this be done?
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Question 459248: Bought a swim suit for $22. Sales tax was 5.5%. What was the total amount she paid
Click here to see answer by algebrahouse.com(1079)

Question 459250: Donald walked 7/8 of a mile. Same walked 3/5 of a mile. How many miles further did Donald walk than Sam?
Click here to see answer by josmiceli(9697)

Question 459957: solve for the unknown in the proportion.
7/12=m/24
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Question 459957: solve for the unknown in the proportion.
7/12=m/24
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Question 459906: Solve equation (u-3)(u+5)=-12
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Question 460285: -7/10 = 2 2/5d
A. -1 7/10 B. -3 1/10 C. -7/24 D. -1 17/25
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Question 460284: Five less than a number is at least 11.
A. Write an inequality for the sentence.
B. Solve the inequality on a number line.
Explain your answer.
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Question 460282: A utility pole 8 meters tall cast a 12 meter shadow. at the same time a building cast a 99 meter shadow. How tall is the building?
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Question 460294: Find the amount of simple interest on an investment of $3,100 for 2 and a half years at an annual rate of 4 3/4%. Round to the nearest cent
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Question 460298: Find the discount on a book that is $14.95 and on sale for 20%
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Question 460301: 3z - 41 = z + 35
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Question 460299: Solve 6x - 3 < 39
_
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Question 460687: A town has 1,000 residents, of whom 60% are women and 40% are men. Of the women, 40% wear one earring. Half of the rest wear 2 earrings, and half wear none. Of the men, 60% wear one earring. Half of the rest wear 2 earrings, and half wear none. How many earrings are worn in all?
Click here to see answer by solver91311(16897)

Question 460945: A chocolate-chip recipe for five dozen cookies requires 3/4 cup sugar. If you want to make eight dozen cookies, how much sugar is needed?
Click here to see answer by JimboP1977(308)

Question 461627: A man with monthly income Rs. 363 spends as much in 4 months,as he earns in 3 months.After 12 years he divides his savings amongst 3 sons,giving the eldest twice as much as the second and three times as much as third.How much does the youngest son receive?
Options are
(a)Rs 2163
(b)Rs 1938
(c)Rs 2376
(d)Rs 1280
Click here to see answer by amoresroy(333)

Question 461639: GOLD IS 19 TIMES AS HEAVY AS WATER AND COPPER 9 TIMES AS HEAVY AS WATER.IN WHAT RATIO SHOULD THESE METAL BE MIXED SO THAT THE MIXTURE MAY BE 15 TIMES AS HEAVY AS WATER?
OPTIONS ARE -
1. 2:5
2. 2:3
3. 3:1
4. 3:2
THANKS YOU

Click here to see answer by rwm(914)

Question 462438: An amount of Rs 735 are divided among A,B and C.If each of them receives Rs 25 less,their shares would have been in the ratio 1:3:2.The money received by C was?
Options are
A. Rs 195
B. Rs 200
C. Rs 225
D. Rs 245
Click here to see answer by edjones(7569)

Question 462434: A man spends Rs 8100 in buying tables at Rs 1200 each and chairs at Rs 300 each.The ratio of the chairs to tables when maximum number of tables are purchased, is?
Options are
A. 1:4
B. 5:7
C. 1:2
D. 2:1
Click here to see answer by edjones(7569)

Question 462946: write the sentence as a proportion. Then solve the proportion. 5 is to 12 as x is to 48.
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Question 463785: the lenght of the shadow of a flagpole was found to be 72 feet. the shadow of a 3 foot picket fence in line with the flagpole was 4 feet. What is the height of the flagpole?
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Question 464510: Ken and Vince have $1002. Ken and Leon have $1342. The ratio of Vince to Leon's money is 2:7. How much does Ken have?
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Question 465211: 2/9=x/27
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Question 465843: So, I'm stuck on a story problem that has to do with proportions. It is about a companies nut mix and I need to find out how many pounds of each nut was used in the mixture. Here's what I know: Walnuts are $3.25 and pistachios are $4.50 per pound. It costs the company $177.50 to make 45 pounds of the mix. And again, I need to find out how many pounds of each nut was used in the mixture. It asks me to set up two equations, and then solve. Please help!!!
Click here to see answer by kingme18(98)

Question 466663: The ratio of men to women at a college is 7 to 5. How many women students are there if there are 3,500 men?
Click here to see answer by algebrahouse.com(1079)

Question 466564: Hello,
I have a question I need help answering. Your time is appreciated.
How many liters of pure baking soda must be added to 200 liters of 30% baking soda solution to get 60% baking soda solution?
Thank you
Click here to see answer by mananth(12270)

Question 467708: What are the odds in favor of randomly drawing a letter A from the letters in the word APPELLATE?
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Question 467896: If a recipe for 48 cookies needs a flour and sugar in a ratio of 3:4, what is the ratio of the flour to sugar if the recipe is adjusted to make 36 cookies?
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Question 468629: An eighth grade class picnic has a boy-girl ratio of 4:3. Two girls leave the class, changing the ratio to 10:7. How many students are now in the class?

Click here to see answer by jorel1380(2518)

Question 469268: What is the formula for creating equivalent fractions using the following numbers:
10, 15, 50, 3 I know the answer is 3/10 and 15/50 but how does one arrive at that answer?
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Question 469300: model is made of a car. The car is 9 feet long and the model is 6 inches long. What is the ratio of the length of the car to the length of the model?
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