Tutors Answer Your Questions about Mixture Word Problems (FREE)
Question 4407: How many Kilograms of water must be added to 20 kilograms of a 10% salt solution to produce a 5% solution ?
Please help me with not only showing how this is done, but explaining the steps. I am terrible in math!
Click here to see answer by guapa(62)  |
Question 4408: How many kilograms of milk testing 5% butterfat and how many kilograms of cream testing 25% butterfat should be mixed to give 100 kilograms testing 20% butterfat ? Not only show me how it's done , but tell me why the certain steps are taken . Thanks alot !!!
Click here to see answer by guapa(62) |
Question 5757: On the opening night of the Broadway musical Miss Saigon, the Rhapsody Theater sold 800 total tickets. An advanced ticket costs $14.50 and a ticket purchased at the door costs $22.00. In all, $16,640 was taken in. How many tickets were sold at the door?
Click here to see answer by prince_abubu(198) |
Question 5759: Seatlle Star blends whole bean coffee worth $0.93 per pound with half bean coffee worth $1.20 per pound to get 30 pounds of a coffee blend worth $1.02 per pound. How many pounds of each type of coffee does she use?
Click here to see answer by CharStar(110) |
Question 5912: HELP...i got 2 different answers from two tutors...solve this quadratic inequality.
25x^+16<40x...My answer was x<4/5
one tutor agreed and one said there was no solution as you can not take the sqrt of zero...anybody out there that can knows for sure??
Thanks Caroline
Click here to see answer by Abbey(339) |
Question 5900: Can someone please explain how to solve quadratic inequalitities using sign charts. I has me a little confused and I have about 30 problems to do. Here is an example of one.
solve (x-5)(x+2)>0 using a sign chart.
Thanks Caroline
Click here to see answer by longjonsilver(2297)  |
Question 5964: A farmer intends to sell a fifty gallon barrel of apple cider. He wants to dilute it so that it is one third water before he sells it. How many gallons of diluted cider will he be able to get from the fifty gallon barrel?
( I keep getting 66.7 barrel: 1/3 of 50 barrel is 16.7, plus 50 is 66.7, but the answer is 75 barrels, would you explain the answer. Thanks)
Click here to see answer by prince_abubu(198) |
Question 6143: Abby these are the last 2 i'm stuck on. Can you help?
Express the sum or difference of the log. express powers as factors
1. log5(cuberootx^2+1)All under the radical /(x^2-1)^2
2. log x^3sqrt(x+1)/(x-2)^2
Thank you so much! You are a great help!
Click here to see answer by Abbey(339) |
Question 6186: without using a calculator find the value of the following
1. logbase8 8 = is it 1?
2. logbase3(1/9) = -2??
3. logbase1/3 9= 27???
4. logbase5 cuberoot25 = I have no idea
5. logbasesqrt3 9 = ??
6. lne^3= ??
Can someone help me with these i thought i understood but i'm really stuck.
thank you so much.
Click here to see answer by Abbey(339) |
Question 6265: I have know idea where to start, and would greatly appreciate your help.
A chemist has two solutions of sulfuric acid - a 20% solution and an 80% solution. How much of each should be used to obtain 100 liters of a 62% solution?
Click here to see answer by AnlytcPhil(1806)  |
Question 6293: In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,800 words. Using smaller type, a page contains 2,400 words. The article is allotted 21 full pages in a magazine. How many pages must be in smaller type?
Click here to see answer by Earlsdon(6294) |
Question 6347: One serving of green beans contains 1 gram of protein and 4 grams of carbohydrates. One serving of chicken soup contains 3 grams of protein and 9 grams of carbohydrates. The Westdale Diet recommends a lunch of 13 grams of protein and 43 grams of carbohydrates. How many servings of each are necessary to obtain the recommended amounts?
Click here to see answer by prince_abubu(198) |
Question 6973: Can you tell me if these are correct. Find the greatest common divisor and least commmon multiple for the following numbers.
a. 45,36,24 GCD = 3 LCM= 12,960
b. 42,96,104,18 GCD = 2 LCM = 3,919,104
Thanks a ton.. They just dont seem right.
Click here to see answer by bonster(299) |
Question 7036: Can someone help me with these I just dont understand.
without tables perform the following operations and reduce answer to a whole number less than the modulus.
1. 3+2 (mod5)
2. 15-2(mod5)
3. (3+2)+5(mod6)
4. (12)(3) (mod5)
5. 2(4+11)(mod7)
6. 4cubed(mod12)
7. (624)(589)(mod9)
Thank you all so much!!
Click here to see answer by khwang(438) |
Question 7106: A company is going to mix two kinds of coffee. The first kind costs $7 per pound. The second kind costs $4 per pound. It wants 90 pounds worth $6.00 per pound. How much of the first kind should it use?
Could anyone please help me with this???Thank you so much!
Click here to see answer by prince_abubu(198) |
Question 7132: A container is filled with 56 litres of pine juice. 8 litres of pine juice are extracted and the container is refilled with mango juice. The content of the container is thoroughly mixed and 8 litres are then extracted and the container is again refilled with mango juice. What is the ratio of mango juice to pine juice in the final mixture?
Click here to see answer by prince_abubu(198) |
Question 7769: In order to create 3oo milliliters of a solution that is 60% alcohol, a solution that is 50% ALCOHOL is mixed with a solution that is 80% alcohol. Ho much of each solution is required?
__________milliliters of the 50% solution and
__________milliliters of the 80% solution.
Click here to see answer by prince_abubu(198) |
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