# Questions on Algebra: Proportions answered by real tutors!

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 Algebra: Proportions Solvers Lessons Answers archive Quiz In Depth

 Question 356831: Jolly builds a large corkboard for her room that is 45 inches tall and 63 inches wide .she wants to build a smaller corkboard with a similar shape for the kitchen. Which of the following could be the dimensions of that corkboard? A 4 in by 3 in B 7 in by 5 in C 12 in by 5 in D 21 in by 14 in Click here to see answer by Edwin McCravy(8999)

 Question 356954: Find the discount rate on a \$20 watch that regularly sells for \$25 Click here to see answer by robertb(4012)

 Question 357501: in a resort during the summer months, only one out of eight people is a year round resident. the others are there on vacation. if the year round population of the area is 3000, how many people are there in the summer? Click here to see answer by ewatrrr(10682)

 Question 357705: if twice a number is increase by 7,the results is the same as if 5 times the number is diminished by 2, find the number. Click here to see answer by robertb(4012)

 Question 357711: two numbers are in the ration is 1:3.if the sum of the two is increased by 2, the results is 18.find the smaller number. Click here to see answer by robertb(4012)

 Question 357685: ```Hi, I'm working on homework, and the following problem has confused me. 4 -3w+2 -- = -- 7 -2w I can't seem to find the value of w``` Click here to see answer by Edwin McCravy(8999)

 Question 358266: how do you multiply y? for example: 5y * y? Click here to see answer by mananth(12270)

 Question 358892: john read 66 books in 12 months at this rate how many books will he read in 4 months Click here to see answer by stanbon(57962)
 Question 358892: john read 66 books in 12 months at this rate how many books will he read in 4 months Click here to see answer by guitarheroguy(26)

 Question 359123: What happens to the Area of a circle if you double the radius? I know the answer is the area would be four fold but I don't know why. I though the area would be doubled. What happens to the Area of a circle if you square the radius? Click here to see answer by stanbon(57962)

 Question 359690: solve for the unknown in the following proportion show work x/8=15/24 and a/4= 2/5/10 Click here to see answer by edjones(7569)

 Question 360415: It took Lance and Ivan 6 hours to travel 33 miles downstream by canoe.The next day the travelled upstream for 8 hours for 20 miles.What was the rate of the current? What was their average speed in still water? Click here to see answer by ankor@dixie-net.com(15746)

 Question 361097: 3n(7n-20)=96 i have gotten to 21n squared -60=96 then im stuck :( please expain how to work this or at least show the steps. Click here to see answer by edjones(7569)

 Question 361189: The ratio of Julio's money to Marcus's money was 7:10. After Julio bought 4 books at \$4.50 each the ratio of Julio's money to Marcus's money was 1:4. Use a bar graph to find how much money Julioo and Marcus have left. Click here to see answer by stanbon(57962)

 Question 361315: james spent 2/5 of his money. If he spent \$630 how much did he save? Click here to see answer by rfer(12729)

 Question 361733: two numbers are in the ratio 9:13. If the larger number is 390, find the smaller Click here to see answer by Fombitz(13828)

 Question 362898: Again, not sure if it's a proportion problem... at the same time of day, a man who is 52 inches tall casts a 66- inch shadow and his son casts a 33-inch shadow. What is the height of the man's son? some of the choices are 26 in, 78 in, 99 in, or 27 in. heeeelp! :D Click here to see answer by mananth(12270)

 Question 362891: I think this is a proportion problem. A survey indicated that 5 out of 9 doctors use Zed pain reliever. If 3600 doctors were surveyed, how many use Zed? I got x= 2000. Is this correct? Click here to see answer by Fombitz(13828)

 Question 363776: Charlotte has 16 3/8 feet plastic pipe. She cuts off a 4 1/3 foot length and than 7 1/2 foot length. How long is the remaining piece of pipe.? Click here to see answer by checkley77(12569)

 Question 363973: can u write me a porportion problem down and check it 2 see if it is write? Click here to see answer by stanbon(57962)

 Question 363934: At a particular time, the ratio of the height of an object that is perpendicular to the ground to the length of its shadow is the same for all objects. If a 30-ft three casts a shadow of 12 ft, how tall is the tree that casts a shadow of 14 ft? Click here to see answer by edjones(7569)

 Question 364369: Solve each proportion. Round to the nearest hundredth if necessary. 12/n=60/50 =n=__ 63.7/x=7/9.2 = x=____ 33/5=m/80 = m=_____ 6201/477=1378/w = w=_____ Click here to see answer by rfer(12729)

 Question 363422: A floodlight at ground level 6 feet from a bush 4 feet tall casts a shadow of the bush on a building that is 24 feet from the bush. What is the height of the shadow? Click here to see answer by nyc_function(2733)

 Question 364840: 2/3=x/6 ? x/2=16/6 ? x/10=5/9 ? 9/4x=6/2 ? 4x/6=7/2 ? a/5=3/2 ? x-3/x=4/7 ? y/y-16=5/3 ? Click here to see answer by rfer(12729)

 Question 364913: Dave and Cindy played 53 games of backgammon last month. Dave's ratio of wins to losses was 37/16. If Dave and Cindy play 10 more games, write a proportion to determine how many of these 10 games dave could expect to win. Determine how many more games Dave and Cindy must play before Cindy will have won a total of 28 games. Click here to see answer by ankor@dixie-net.com(15746)

 Question 365477: You invest \$1500 for three years. Find the amount of simple interest you earn at an annual rate of 8.25%. Click here to see answer by mananth(12270)

 Question 365506: express each rate as a unit rate. question? how do you work Problem? 100 meters in 12 seconds Click here to see answer by nerdybill(7003)

 Question 365669: there are about 2.2 pound in a kilogram, how many kilograms will it take to get 22 pounds? My mom thinks its 44 but i dont so i need the answer to prove her wrong or to tell her im sorry for arguing with her. Click here to see answer by Alan3354(31515)

 Question 366311: A five foot tall tree casts an 8 foot shadow on the ground. How far is it from the end of the shadow to the top of the tree? Click here to see answer by stanbon(57962)

 Question 366357: 5 is to 200 as x is to 40 x:30 as 4:10 x= Click here to see answer by rfer(12729)

 Question 366360: 5 is to 200 as x is to 40 0.05:x as 0.15:30 x= Click here to see answer by rfer(12729)

 Question 366353: 5 is to 200 as x is to 40 1/2: 2 as 1/4:x x= Click here to see answer by rfer(12729)

 Question 366663: (word problem) Jack and Joe leave their homes at the same time and drive toward each other. Jack drives at 60mph, while Joe drives at 30mph. They pass each other in 10 minutes. How far apart were Jack and Joe when they started? Click here to see answer by mananth(12270)

 Question 367137: I need help figuring out how to do a double division proportion. I know how to do if only one "fraction/division", but not double. ex. 2/5=12/n Click here to see answer by ewatrrr(10682)