Questions on Algebra: Proportions answered by real tutors!

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 Question 254590: Draw two similar rectangles whoses sides are in ratio of 5. Click here to see answer by richwmiller(10283)

 Question 255434: How much water should be added to 32 ounces of a 30% solution of alcohol to dilute it to a 16% solution? Formula to develop the problem Click here to see answer by ankor@dixie-net.com(16527)

 Question 255783: my math problem is not on the list Click here to see answer by solver91311(18785)
 Question 255783: my math problem is not on the list Click here to see answer by Alan3354(34679)

 Question 256156: How do you solve this problem? Each turnstile can admit 36 people per minute. There are 8 turnstiles at entrance A. How many people can enter the park at this entrance in one minute? Click here to see answer by richwmiller(10283)

 Question 256595: A 4-foot tall girl casts a shadow that is 7.2 feet long. A nearby tree casts a shadow that is 25.56 feet long. How tall, in feet, is the tree? Click here to see answer by stanbon(60778)

 Question 256803: A 15 cm by 20 cm picture is to be enlarged in the ratio 1:1 1/2. What is the area of the enlarged picture? Click here to see answer by Alan3354(34679)

 Question 256890: Please help! I need to know the basic forumla to work out problems such as this: If it takes 6 men 9 hours to load a lorry, how long does it take 4 men? Thank you :-) Click here to see answer by scott8148(6628)

 Question 257128: Im not sure if this is under probabality and statistics but here is my problem. If there are 2.5 times as many female as there are male. How many males are there if there are 175 people? Please provide me with a solution. Thanks. Click here to see answer by edjones(7794)

 Question 257219: The Nut House sells walnuts for \$4.00 a pound and cashews for \$7.00 a pound. How many pounds of cashews should be mixed with 10 pound of walnuts to obtain a mixture that sells for \$5.50 a pound? Click here to see answer by drk(1908)

 Question 257458: find the ratio of a and b from the equation 12a^2 + 36b^2 -43ab=0 Click here to see answer by stanbon(60778)
 Question 257458: find the ratio of a and b from the equation 12a^2 + 36b^2 -43ab=0 Click here to see answer by Edwin McCravy(9719)

 Question 257459: a fraction reduces of 1/4 when two is subtracted from the numerator and three is added to be the denominator. but it reduces to 2/3. if six is added to the numerator and the denominator is multiplied by three. find the fraction. Click here to see answer by stanbon(60778)

 Question 257462: a fraction is such that if the numerator is multiplied by three and the denominator reduced by three we get 18/11, but if the numerator is increased by eight and denominator is doubled we get 2/5. find the fraction. Click here to see answer by richwmiller(10283)
 Question 257462: a fraction is such that if the numerator is multiplied by three and the denominator reduced by three we get 18/11, but if the numerator is increased by eight and denominator is doubled we get 2/5. find the fraction. Click here to see answer by drk(1908)

 Question 257438: Determine the value of n so that the roots of nx^2 – 8x + 10 = 0 are equal. Click here to see answer by drk(1908)

 Question 257478: if y/x-z = y+x/z =x/y then find x:y:z Click here to see answer by drk(1908)

 Question 257485: if a number of two digits is divided by th number obtained after reversing the digits, we get 2.08 , if the sum of the digit is 7, find the number. Click here to see answer by drk(1908)

 Question 257482: the antecedent and consequent of a ratio differ by 40 and is equal to 2/7. find the ratio. Click here to see answer by drk(1908)

 Question 257481: if twice the son's age, in years, is added to the father's age, the sum is 70. but if twice the father's age is added to the son's age the sum is 95. find the ages of the father and the son. Click here to see answer by stanbon(60778)

 Question 258197: y=17.6 square root symbol 4+22 inside the sqrootsymbol= 57.2 how did they get that answer? I can't draw out the sq root part.sorry Click here to see answer by Alan3354(34679)

 Question 258409: A 12-foot tree casts a 16-foot shadow. How many feet tall is a nearby tree that casts a 20-foot shadow at the same time Click here to see answer by rfer(13569)

 Question 258481: how do u write 3 equivalent ratios for 2/9 Click here to see answer by stanbon(60778)
 Question 258481: how do u write 3 equivalent ratios for 2/9 Click here to see answer by richwmiller(10283)

 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(34679)

 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(1657)

 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(13569)
 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 richwmiller(10283)

 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(60778)

 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(12569)

 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(10283)