# Questions on Algebra: Proportions answered by real tutors!

Algebra ->  Algebra  -> Proportions  -> Lessons -> Questions on Algebra: Proportions answered by real tutors!      Log On

 Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Algebra: Proportions Solvers Lessons Answers archive Quiz In Depth

 Question 93280: For a group of boxes of the same girth (2x height + 2x width), the volume V varies directly as the length L. Using k for a constant of proportionlity, express the relationship between V and L. Click here to see answer by Nate(3500)

 Question 93956: a gold bracelet is discounted 40% and sold for \$750. Find the regular proce of the bracelet. Click here to see answer by checkley75(3666)

 Question 94076: A lawyer bills her clients \$250 per hour of service. If a client's case requires 47 hours to complete, use proportion to calculate how much the client will owe the lawyer (excluding tax). Click here to see answer by edjones(7569)

 Question 94080: A new virus is released on the internet; the administrator of a department's Local Area Network (LAN) is given five minutes by a manager to estimate the impact. The administrator samples 12 of the PCs connected to the LAN and finds that 7 are infected; use proportion to estimate the number of infected PCs if there are a total of 117 PCs connected to the LAN. Click here to see answer by stanbon(57967)

 Question 94144: An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 6 hours. How long would it take the experienced accountant working alone? Click here to see answer by checkley75(3666)

 Question 94489: How many liters of a 14% alcohol solution must be mixed with 20L of a 50% solution to get a 30 % solution? Click here to see answer by scott8148(6628)

 Question 94550: Solve the proportion: (x-1)/3=(x+5)/(x-1) Thanks for helping me out!! Click here to see answer by stanbon(57967)

 Question 95417: the length of a rectangle is 8 more than twice the width. The ratio of length to width is 12 to 5. Find the length and the width of the rectangle. (I tried solving it as 12/5 = 2x+8/2x. I then cross multiplied and got 5(2x+8)=12(2x). I used the distributive property to get 5 times 2x+40=12 times 2x. I do not know how to solve past there though.) Click here to see answer by scott8148(6628)

 Question 95412: The ratio of the areas of two triangles is 8 to 5. The altitude of one triangle is 5 centimeters more than the altitude of the other while the bases are each equal to 10 centimeters. Find the altitude of each triangle. (I have tried to convert the area into an altitude so both sides will be equal, but I am not sure what to do to solve it like that.) Click here to see answer by ankor@dixie-net.com(15746)

 Question 96089: A car gets 42mpg. How much gas will be needed to go 315 miles? Click here to see answer by checkley71(8403)

 Question 96681: For this one I got 20 foot but it doe not feel like the right answer. A 10-foot pole casts a shadow of 9 feet. How tall is a tree with a shadow of 18 feet? Click here to see answer by edjones(7569)

 Question 97317: can you please help me solve the problems thanks 1. 90 miles over 1 hr equals feet over seconds 2. 3.5 cm over 1 second equals meters over 1 min 3. 114 over 1 yr equals liters over 1 day 4. 500 dallors over 8 hrs equal cents over 1 day Click here to see answer by stanbon(57967)

 Question 97487: can you help me with the following questions thanks write each ratio in simpiest form 1. 65 to 65 2. 32 to 26 3. 30 over 50 4. 57:60 Click here to see answer by elima(1433)

 Question 97480: state weather the ratios are proportional 1. 50 over 40 equal 5 over 4 2. 12 to 11, 36 to 33 3. 20:40, 1:2 4. 33 over 36 equals 44 over 48 Click here to see answer by elima(1433)

 Question 99245: It takes only 0.4 seconds for the ball to travel the 60.5 feet from the pitcher's mound to home plate. How many miles per hour did the ball travel? Click here to see answer by checkley71(8403)
 Question 99245: It takes only 0.4 seconds for the ball to travel the 60.5 feet from the pitcher's mound to home plate. How many miles per hour did the ball travel? Click here to see answer by rcmcc(152)

 Question 100259: Stan took his collection of nickels and dimes to deposit in the bank. He has fewer nickels than he does dimes. His total deposit is 38.90 How many nickels and dimes did she deposit? Click here to see answer by bucky(2189)

 Question 100798: Please help, I can't seem to get these problems set up right.1.) A medicated first aid spray on the market is 78% alcohol by volume. If the manufacturer has 50 liters of the spray containing 70% alcohol , how much pure alcohol should be added so that the final mixture is the required 78% alcohol? (hint pure alochol is 100%) 2.) There is a box containing 44 coins, consisting of pennies, dimes, and quarters. The number of pennies is equal to the number of dimes, and the total value is \$4.37. How many of each denomination of coins are in the box? Thanks in anvance for your help!! Click here to see answer by scott8148(6628)

 Question 101595: How do you set a proportion for the following question? Kyle and Jenny played 65 games of checkers last month.Kyle won 40 games and Jenny won the rest.Write a proportion and solve to determine how many games they will have to play before Jenny can expect to win 40 games. Click here to see answer by scott8148(6628)