Tutors Answer Your Questions about Mixture Word Problems (FREE)
Question 492653: A nut store usually sells cashews for $4.60 per pound and peanuts for $2.20 per pound. At the end of the month, the peanuts had not sold well. In order to sell 36 pounds of peanuts, the manager decided to mix the 60 lb of peanuts with some cashews and sell the mixture for $2.80 per pound. How many pounds of cashews should be mixed with the peanuts to ensure no change in the profit? (the value remains the same)
Click here to see answer by mananth(14512) 
Question 492752: i am trying to get the equation for a mixture problem.
You have 7 ounces of 30% glucose solution. How much 30% glucose solution and how much water needs to be used to make 7 ounces of 20% solution?
my equation i tried is
.30(7) + x = .20(7x)
is this the right equation to start the problem?
Thank you for the help
Click here to see answer by stanbon(69061) 
Question 493651: How many gallons of cream that is 20% butterfat must be mixed with milk that is 2% butterfat to get 18 gallons of milk containing 4% butterfat?
I am having trouble setting up the equation. We were thinking it went something like this...
.02x + .2x = .04(18)
Click here to see answer by stanbon(69061) 
Question 493651: How many gallons of cream that is 20% butterfat must be mixed with milk that is 2% butterfat to get 18 gallons of milk containing 4% butterfat?
I am having trouble setting up the equation. We were thinking it went something like this...
.02x + .2x = .04(18)
Click here to see answer by josmiceli(13716) 
Question 493792: The problem is two parts:
part 1: A temporary agency offers two payment options:
Option 1: $25 daily fee plus $10/hour
Option 2: No daily fee but $15/hour
Write a mathematical model representing the total temp cost,C, for a FOUR day temporary administrative assistant in terms of x for the following.
Option 1: C=
Option 2: C=
Part 2: How many total hours would the temp need to work in the four day period for the cost of Option 1 to be less than Option 2. Set up an inequality and show your work algebraically using the information in part 1. Don't forget about the daily fee in Option 1 (it's a four day proposition).
Click here to see answer by swincher4391(1075) 
Question 493815: A pharmacist wishes to mix a solution that is %8 Minoxidil. She has on hand 90 ml of a 1% solution and wishes to add some 10% solution to obtain the desired 8% solution. How much 10% solution should she add?
Click here to see answer by stanbon(69061) 
Question 494329: How many liters of an 8% solution of salt should be added to a 25% solution in order to obtain 510 liters of an 12% solution?
I tried many different ways to solve this probelm:
.08x +.25(510x)=510?
.25x+.08(.12x)=510?
but none of this come out with the correct answer if you could please help i would greatly appreciate it! Also if you could possibly tell me where i am going wrong? THANK YOU!! In advanced
Click here to see answer by chessace(471) 
Question 494416: The owner of a store sells raisins for $3.20 per pound and nuts for $2.40 per pound. He decides to mix the raisins and sell 50lb of mixture for $2.72 per pound. What quantities of raisins and nuts should he use?
Click here to see answer by htmentor(912) 
Question 495151: Please help me solve this mixture word problem:
A certain mixture consists of acid and water. If 5 gallons of acid is added to the mixture, it willl produce a mixture that is onehalf acid and onehalf water. If, on the other hand, 5 gallons of water is added, the resulting mixture is onethird acid. How many gallons of acid does the original mixture contain?
Click here to see answer by ankor@dixienet.com(18980) 
Question 495706: Theophylline, an asthma medicine, is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry  flavored syrup that is to be added to hide the taste of the drug. How much of each must be used to prepare 100 milliliters of solution with a drug concentration of 2 mg/mL?
Click here to see answer by stanbon(69061) 

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