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Question 161444: sugar costing $810/tonne is mixed with sugar costing $920/tonne in the ratio 3:8 calculate the cost of 1 tonne mixture.
Click here to see answer by ankor@dixie-net.com(22740)

Question 161488: Soybean meal is 14% protein, cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280 lb mixture that is 12% protein?
Click here to see answer by nerdybill(7384)

Question 161530: A candy mixture is created with 2 types of candy, one costing $4 per pound and the other $3.50 per pound. How much of each type is needed for a 5 pound box that costs $18?

Click here to see answer by checkley77(12844)

Question 161533: A store owner has 12 pounds of pasta worth 70 cents a pound. She wants to mix it with pasta worth 45 cents a pound so that the total mixture can be sold for 55 cents a pound ( without any gain or loss). How much of the 45 cent pasta must she use?
Click here to see answer by checkley77(12844)

Question 161532: A farmer wants to mix milk containing 6% butterfat with 2 quarts of cream that is 15% butterfat to obtain a mixture that is 12% butterfat. How much milk containing 6% butterfat must he use?
Click here to see answer by checkley77(12844)

Question 161531: A seed company mixes two types of seed for bird feeding. One costs $1.10 per kg and the other costs $2.25 per kg. How much of each type of seed is needed to produce 6kg at a cost of $8.90?
Click here to see answer by checkley77(12844)

Question 161644: A butcher has two grades of ground meat. A low grade meat costs $1.50 per pound and a higher grade of meat which costs $4.00 per pound. How many pounds of each grade of meat should he mix together to get 25 pounds of meat costing $3.00 per pound?
Click here to see answer by checkley77(12844)

Question 161601: 1. How many lbs, of cream containing 12 percent butter must be added to 1800lbs,
of milk containing 2 percent butterfat to obtain milk having 3 percent butter?
2. How much of a 40 percent solution of alcohol and how much of an 80 percent
solution should be mixed to give 40 gallons of a 50 percent solution?

Click here to see answer by checkley77(12844)

Question 161619: a fruit drink concentrate is 15 % water. How many liters of pure water should be added to 12 liters of the concentrate to get a mixture that is 50 % water?
Click here to see answer by checkley77(12844)

Question 161672: Working on Chemistry homework. Could not understand this problem in class, still don't understand. "The density of an antifreeze soltuion measured .78g/ml. The solution was a mixture of 40% water and 60% antifreeze compound. How many g of antifreeze compound are necessary to prepare 80.0 mL of antifreeze solution?" I tried setting up my equation a couple different ways and I am sure I did not get the right answer. I got 104 g/Antifreeze. Please help me figure out how to set up this equation!
Click here to see answer by scott8148(6628)

Question 161923: Lemon drops worth $1.90 per pound are to be mixed with jelly beans that cost $1.20 per pound to make 100 pounds of a mixture worth $1.48 per pound. How many pounds of each candy should be used?
Click here to see answer by checkley77(12844)

Question 161970: A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and breadth is 3.6 m. Find the cost of white washing the wall, if the rate of white washing the wall is rs 20 per m2
Click here to see answer by jojo14344(1513)

Question 161982: Please help.
How many pounds of hamburger that costs $1.60 per pound must be mixed with 70 pounds of hamburger that costs $2.10 per pound to make a mixture that costs $1.70 per pound.
Click here to see answer by KnightOwlTutor(293)

Question 162048: A full-price ticket for a college basket ball game costs $2.50 and a student ticket cost $1.75. IF the 585 tickets were sold, and the total receipts were $1,217.25, HOW MANY WERE STUDENT TICKETS?
Click here to see answer by schrammbledeggs(41)

Question 162061: jeremy pays for lunch using 75 coins consisting of quaters and nickels . if the total for his lunch is 13.55, find the number of quaters and nickels
Click here to see answer by schrammbledeggs(41)

Question 162060: 1 (solving systems of equations)-how many gallons of a 5% solution should be mixed with 30 gallons of a 10% solution to obtain a mixture that is 8%?
Click here to see answer by josmiceli(19441)

Question 162063:
Of the $50,000 that Natasha pocketed on her last real estate deal. $20,000 went to charity. she invested part of the remainder in Dryfus New Leaders Fund with an annual yield of 16% and the rest in templeton growth fund with an annual yield of 25 %. if she made $6060 on these investments in 1 year, then how much did she invest in each fund?
Click here to see answer by checkley77(12844)

Question 162110: The cost functions is given by C=30x +10,000 and the revenue is given by R=46x. Find the number of units that must be sold to break even.
; )
The breakeven point happens when your cost is the same as your revenue (sales).
C(x)=R(x)
30x+10000=46x
30x-30x+10000=46x-30x
0+10000=16x
10000/16=16x/16
625=x
They must sell 625 units to breakeven
Check:
C(625)=30(625)+10,000=28,750
R(625)=46(625)=28,750
yes we are right!
Click here to see answer by eperette(173)

Question 162127: A plane can fly 700 miles with the wind in 3.5 hours. the same plane travels 800 miles against the wind in 5 hours. what is the speed of the wind and the speed of the plane in still air????
Click here to see answer by checkley77(12844)

Question 162125: Jack needs to prepare 12 ounces of a 9% hydrochloric acid solution. the only solution she currently has avaliable are 4% and 12% hydrochloric acid. How much should she use of each solution to obtain the needed solution?
Click here to see answer by checkley77(12844)

Question 162122: jason has invested a total of $25,000 in two accounts and at the end of one year earned $2,600 in simple intrest. one account earns 7% simple intrest and the other earns 12% simple intrest. What is the amount invested in each account?
Click here to see answer by checkley77(12844)

Question 162120: sue bought 4 pounds of coffee and two pounds of tea for $31.50 last week. this week she bought 3 pounds of coffee and 4 pounds of tea for $38.25. what is the cost per pound of both the coffee and tea?
Click here to see answer by checkley77(12844)

Question 162115: Natasha inherits 50,000$ and decides to give 20,000$ to charity. With the remaining money she invest into two stocks paying 16% and 25% . If she makes 6060$ on the two investments, find how much money is invested into each stock.
Click here to see answer by checkley77(12844)

Question 162106: janet found 30 coins in her car. all of the coins were eighter nickels or dimes. if the total value was $2.10, find the number of each type of coin?
Click here to see answer by checkley77(12844)

Question 162105: premium coffee sell for 6.00 per pound, and regular coffee sells for 4.00 per lb. how many pounds of each type of coffee should be used to produce 100 pounds of a blend that will sell for 4.64 per pound.
Click here to see answer by checkley77(12844)

Question 162206: The manager of a specialty food store combined almonds that cost $4.50 per pound with walnuts that cost $2.50 per pound. How many pounds of each were used to make a 100-pound mixture that cost $3.23 per pound?
Click here to see answer by checkley77(12844)

Question 162215: A snack food is made by mixing 5lb of popcorn that costs $.80 per pound with caramel that cost $2.40 per pound. How much caramel is needed to make a mixture that costs $1.40 per pound?
Click here to see answer by checkley77(12844)

Question 162165: how much pure acid should be mixed with 7 gallons of 50% acid solution in order to get an 80% acid solution?
Click here to see answer by KnightOwlTutor(293)

Question 162342: How do I set this problem up? I tried but I came up with a negative number.
A nurse must mix 15L of a 10% solution of a drug with 60% solution to obtain a 20% mixture. How many liters of the 60% solution will be needed?
Click here to see answer by checkley77(12844)

Question 162385: The manager of a company manufacture surfboard has fixed costs (at o output)$500 per day and the total cost $6500 per day at a daily output of 40
1. write an equation for the cost funtion with
2.what is the fixed cost,variable cost,and total cost for an output of 28 per day
this is my solution
equation C(x)=500x +6500(40-x)
is this correct please help-----
Click here to see answer by gonzo(654)

Question 162391: A container is partly filled with 12 liters of whole milk containing 4% butterfat. How much 1% milk must be added to get a mixture that is 2% butterfat?
Click here to see answer by ankor@dixie-net.com(22740)

Question 162475: A caterer is planning a party for 64 people. The customer has $15 to spend. A $39 pan of pasta feeds 14 people and a $12 sandwich tray feeds 6 people. How many pans of pasta and how many sandwich trays should the cater make?
Click here to see answer by jojo14344(1513)

Question 162473: Mr. John sells a mixture of m&m's and chocolate covered raisons for $2.39 a pound. If the m&m's cost $2.59 per pound and the chocolate covered raisons cost $2.41 per pound, how many pounds of m&m's and how many pounds of chocolate covered raisons are in a 140 pound mixture?
Click here to see answer by checkley77(12844)

Question 162635: What percent of 360 is 1.2?
This is what I got, it doesn't look right
R=P/B
R=1.2/360(100%)
R=0.3
Is this right?
Thank you
Click here to see answer by vleith(2983)

Question 162774: Lourdes can trim the hedges around her property in 8 hours by using an electric hedge trimmer. Rafael can do the same job in 15 hours by using a manual trimmer. How long would it take them to trim the hedge working together?
Click here to see answer by user_dude2008(1862)

Question 162791: A chemist needs a saline solution that is 20% sodium chloride but only has solutions that are 15% and 40% sodium cholride. If the chemist measures 150mL of the 15% solution, how many milliliters of the 40% solution should she add to make a 20% solution?
Click here to see answer by checkley77(12844)

Question 162773: Beverly can drive 600 miles in the same time as it takes Susan to drive 500 miles. If Beverly drives 10 mpg faster than Susan, then how fast does Beverly drive?
Click here to see answer by checkley77(12844)

Question 163214: To the nearest tenth, how much pure acid must be added to 12 liters of a 20% acid solution in order to obtain a mixture that is 45% acid?
Click here to see answer by ptaylor(2198)

Question 163178: a chemist has 10 gallons of a 30% alcohol solution. how many gallons of pure alcohol should he add to obtain a mixture of 40% alcohol
Click here to see answer by checkley77(12844)

Question 163285: How many gallons of a 30% acid solution must be mixed with 30 gallons of a 17% solution to obtain a solution that is 20% acid.

I've tried this problem a couple times, but cant get the right answer. The answer was given to me by my teacher, but I need to show how to do the problem, which I can't. The answer to the problem is 9, i would appreciate it if you explained how to do the problem thoroughly.
Click here to see answer by Anthea Lawn(22)

Question 163319: Have radiator that holds 16 quarts antifreeze. Currently has 16 quarts antifreeze 25% solution. How much antifreeze should we take out and then add back in to make a 40% solution of 16 quarts?
Click here to see answer by scott8148(6628)

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