Questions on Algebra: Proportions answered by real tutors!

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Question 274901: if for every 50 students 3 teachers are needed,how many teachers are needed for 5400 students
Click here to see answer by JBarnum(2044)

Question 275044: there are 450 students and 15 teachers in a school. The school hires 2 new teachers. To keep the student to teacher ratio the same, how many total students should attend the school?
Click here to see answer by ankor@dixie-net.com(15645)

Question 275507: a 2004 Chevy S-10 pick up truck with a 4.3 liter engine is rated to get 19 miles per gallon(highway driving). how far can it travel on 14.2 gallons of gas?
Click here to see answer by bobdabuildr(27)

Question 275506: a 2004 Chevy S-10 pick up truck with a 4.3 liter engine is rated to get 19 miles per gallon(highway driving). how far can it travel on 14.2 gallons of gas?
Click here to see answer by Theo(3458)

Question 275637: What are the two x values?
x+3/12=6/x-3
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Question 275627: If 27 out of 30 people passed a driving test,what percent failed?

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Question 275779: The ratio of Taylor's CD to Dave's CD is 7 to 8. If they have a total of 150 CD's. How many CD's does Taylor have?
Click here to see answer by mananth(12270)

Question 275865: TWO PERCENT OF THE JAZZ RECORDS SOLD IN APRIL WERE FROM THE NEW LABEL.ABOUT HOW MANY RECORDS WERE FROM THE NEW LABEL?
Click here to see answer by richwmiller(9135)

Question 275865: TWO PERCENT OF THE JAZZ RECORDS SOLD IN APRIL WERE FROM THE NEW LABEL.ABOUT HOW MANY RECORDS WERE FROM THE NEW LABEL?
Click here to see answer by solver91311(16872)

Question 275933: montage and Luisa are rewriting the scale 1 in: 2ft in a:b form who is correct? montega 1:36 or luisa 1:24
Click here to see answer by rfer(12654)

Question 276142: I am trying to figure out the solution to the question
95 is 90% of what number.
Do I divide or multiply
95* 90%=85.5
95/90%=105.56
I get confused
Click here to see answer by stanbon(57282)

Question 277171: what is 3/4 minus 1/3
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Question 277171: what is 3/4 minus 1/3
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Question 277537: A tree casts a shadow of 100 inches while a 7 inch branch casts a shadow of 10 inches, how tall is the tree?

Click here to see answer by CharlesG2(828)

Question 277608: Company INC is making baseball gloves. Last month, with 60 workers, they made 1000 gloves. If they hire 15 more workers this month, how many gloves can be made at the same rate? What would my equation look like to solve this?
Click here to see answer by katie bennett(2)

Question 277666: By installing a $120 thermostat that reduces the temperature setting at night, a family hopes to cut its annual bill for heating oil by 8 percent, and thereby recover the cost of the thermostat in fuel savings after 2 years. What was the family's annual fuel bill before installing the thermostat?
Click here to see answer by mananth(12270)

Question 278168: if Paul can paint a fence in 2 hours and Fred can paint a the same fence in 3 hours.How long would it take for Fred and Paul to paint the fence together.
Click here to see answer by checkley77(12569)

Question 278451: The sum of two numbers is 63 and the difference is 13 . What are the numbers?
Click here to see answer by solver91311(16872)

Question 279316: I need help please. Is 76/24 equal to 19/6? I need to know if the fractions are proportional. What I came up with is Yes, there are becuase they both equal 456. Is this correct? Please advise. Thank you.
Click here to see answer by checkley77(12569)

Question 279317: I need to write this fraction as a percent. 5/11 (to the nearest tenth of a percent). I came up with 45.5%. Is this correct? Please advise. Thank you.
Click here to see answer by rfer(12654)

Question 279914: rate and unit rate
A 50-lb bag of Glossy Coat Horse Feed costs $23.50. A 25-lb bag costs $15.50. How much money per pound would you save by buying the bag with the lower unit price?
Click here to see answer by stanbon(57282)

Question 280035: -
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Question 280035: -
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Question 280035: -
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Question 280120: on each field how much playing area is outside indicated part. round to nearest whole number if necissary.
1. a professional basket ball court, outside the 2 rectangular free throw lanes, ea 19ft by 14ft
there is a graph of a proffessional basketball court in book, i dont know if I use this in figuring. can you help me please??
the graph is length 94ft, width 50ft and we had to find area, which is 4700ft
Click here to see answer by richwmiller(9135)

Question 279995: There are 480 dishes that need to be rinsed. John can rinse them in 80 minutes by himself. It will take his friend Bob 120 minutes to rinse these dishes. How long will it take them if they rinse these 480 dishes together?

Click here to see answer by checkley77(12569)

Question 279993: There is a sales tax of $22 on an item that costs $275 before tax. A second item costs $87.50 before tax. What is the sales tax on the second item?

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Question 280412: A technician has been given 100ml of a 10% acetic acid solution. The pharmacist asked the technician to dilute the solution of 500 ml with sterile water and to label the solution. What percent should appear on the label?
Click here to see answer by checkley77(12569)

Question 280383: what is the solution for b/3=4/12
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Question 280705: how do i find the time it takes a ball dropped from 10ft. to hit the ground?
Click here to see answer by scott8148(6628)

Question 280745: I need help on this homework problem please:
The ratio of trucks to vans at a rental lot was 9:11. If the lot had a total of 80 trucks and vans, how many trucks were on the lot?
thank you in advance.
Click here to see answer by richwmiller(9135)

Question 280819: A 46 5/16lb bag of nuts is packaged in 1 3/4lb containers. The remaining nuts are given to the person packing the nuts. How nuch does the person get?
Click here to see answer by Alan3354(30993)

Question 280912: a stick that is 3 feet long is divided into two uneven pieces so that the ratio of the length of the short piece to the length of the long piece is equal to the ratio of the length of the long piece to the length of the original stick. How long is the length of the short piece?
my work:
a=short stick
b=long stick
system of equations: a+b=3 feet(original stick)36in
a/b=b/3

Click here to see answer by richwmiller(9135)

Question 280932: If a 75 m wire is cut into three pieces having proportions 2:4:6 then the length ,in meters ,of the smallest piece is
A 61/4 b 121/2 c 131/3 d 162/3 e none of these

Click here to see answer by mananth(12270)

Question 280891: Juanita, who is 1.82 meters tall, wants to find the height of a tree in her backyard. From the tree's base, she walks 12.2 meters along the tree's shadow until her head is in a position where the tip of her shadow exactly overlaps the end of the treetop's shadow. She is now 6.1 meters from the end of the shadows. How tall is the tree?
Please help, thank you.
Click here to see answer by checkley77(12569)

Question 281125: If you bought 100feet of fence for 35 dollars, how much does 32feet cost?
Click here to see answer by edjones(7569)

Question 281259: 45/60=81/g what is g

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Question 281342: Judy, Mark and Helen receive funds from a settlement in the ratio 7:10:14. Helen receives $100,000 more than Mark. How much did Judy receive?
Click here to see answer by stanbon(57282)

Question 281568: If you travel 600 miles in only 5 hours what is your unit rate?
Click here to see answer by Mathematicians(84)

Question 281568: If you travel 600 miles in only 5 hours what is your unit rate?
Click here to see answer by Alan3354(30993)

Question 280785: In a sample of tulip bulbs, 72% were defective. What fraction of the bulbs were defective?

Click here to see answer by JBarnum(2044)

Question 281977: can you show step by step instructions on this problem? 30/x = 5/2
Click here to see answer by stanbon(57282)

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