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Question 732049: you've created two solutions of water and vegetable oil. the first solution contains (3/8) of a cup of water and (1/8) of a cup of oil. the second solution contains (1/4) of a cup of water and (1/8) of a cup of oil. how much of the second solution should be combined with all of the first solution to obtain a 30% oil solution?
Click here to see answer by josgarithmetic(39617)

Question 732224: how many milliliters of water must be added to 50 ml of a 24% acid solution to make a solution that is 12% acid solution
Click here to see answer by checkley79(3341)

Question 732409: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. Combining 44 ounces of Solution A with 66 ounces of Solution B gives 110 ounces of a mixture that is 55% salt. Combining 14 ounces of Solution A with 56 ounces of Solution B gives 70 ounces of a mixture that is 60 salt. What are the percentages of salt in the two solutions?
Click here to see answer by stanbon(75887)

Question 732388: A mixture of dried fruit and nuts sells for $4.30 per pound. Separately, the dried fruit sells for $2.50 per pound, and the nuts sell for $7.00 per pound. How much of each is needed to make 50 pounds of the mixture?
Click here to see answer by josgarithmetic(39617)

Question 732460: How many gallons of a 2% acid solution should be mixed with 30 gallons of a 11% acid solution to obtain a mixture that is 8% acid
Click here to see answer by josgarithmetic(39617)

Question 732521:
How much 12% alcohol solution must be mixed with 30% alcohol solution to get 60 liters of 27% alcohol solution?
Click here to see answer by checkley79(3341)

Question 732581: Hi,
My question is:
How many milliliters (mL) of water must be added to 10 milliliters of a 30%-sulfuric acid solution to make a 15%-sulfuric acid solution?

Thanks
Click here to see answer by lokesh mishra(5)

Question 732804: one drink is 30% juice and another is 10% juice,how many liters of each should be mixed together in order to get 20L that is 27% juice?

Click here to see answer by josgarithmetic(39617)

Question 732925: A coffee shop mixes Braizilian coffee worth $5 per kilogram with turkish coffee worth $8 per Kilogram. The mixtureis to sell for $7 per Kilogram. How much of the Turkish coffee should be used to make 300 kg of the mixture?
Click here to see answer by lynnlo(4176)

Question 732923: How many kg of peanuts which cost $1/kg must be added to 4 kg of spices which cost $4/kg to make Huong's Red Hot Peanuts which cost $2/kg?
Click here to see answer by lynnlo(4176)

Question 732922: A metal alloy weighing 12 oz. and containing 55% silver is melted and mixed with 3 oz. of a different alloy which contains 5% silver. What percent of the resulting alloy is silver?

Click here to see answer by lynnlo(4176)

Question 732920: James and his brother mixed together some soil and some clay to make 6 m� of soil with a 60% clay content. They used 2 m� of clay and 4 m� of a soil they purchased. What was the clay content of the soil they purchased?

Click here to see answer by lynnlo(4176)

Question 732919: Jack wants to make 15 fl. oz. of a 12% acid solution by mixing together a 20% acid solution and pure water. How much of each solution must he use?
20% solution? Pure Water?

Click here to see answer by lynnlo(4176)

Question 732917: 3 kg of Ndiba's Red Hot Peanuts was made by combining 2 kg of peanuts which cost $4/kg with 1 kg of spices which cost $1/kg. Find the cost per kg of the mixture.

Click here to see answer by lynnlo(4176)

Question 732984: solve by any appropriate method. if it is not possible to obtain one solution, state the reason. write the solution in the form (x,y).
1 + x - y = y + 4
4(x-y) = 3 - x
Click here to see answer by stanbon(75887)

Question 732982: fred is analyzing the cost of producing two different items at an electronics company. an electrical sensing device uses 5 grams of copper and requires 3 hours to assemble. a smaller sensing device made by the same company uses 4 grams of copper but requires 5 hours to assemble. the first device has a production cost of $27. the second device has a production cost of $32. how much does it cost the company for a gram of this type of copper? what is the hourly labor cost at this company? (assuming that production cost is obtained by adding the copper cost and the labor cost)
Click here to see answer by stanbon(75887)

Question 732972:

A solution of 30% acid and a solution of 60% acid are to be mixed to produce 50 liters of 57% acid. How many liters of each solution should be used?

Click here to see answer by checkley79(3341)

Question 732980: carl manages a highway department garage in maine. a mixture of salt and sand is stored in the garage for use during the winter. carl needs 24 tons of a salt/sand mixture that is 25% salt. he will combine shipments of 15% salt and shipments of 30% salt to achieve the desired 24 tons. how much of each type should he use?
Click here to see answer by josmiceli(19441)

Question 733274:
How many gallons of pure antifreeze must be mixed with 30 gallons of 15% antifreeze to get a mixture that is 40% antifreeze ?
Click here to see answer by stanbon(75887)

Question 733592: My car's radiator is full of an antifreeze-water mixture that is 75% water and 25% antifreeze. I left the cap off while driving and a lot of the mixture leaked out. I filled up the radiator with 9 quarts of water as I was out of antifreeze and then foud the mixture was only 12% antifreeze. What is the capacity of the radiator.
I tried setting my problem up as .75(.25)=18.75 and .12(.88)=10.56 This answer got me nowhere and now I am stuck. Please help!
Click here to see answer by josmiceli(19441)

Question 734130: Mixture of 2 teas one worth $6.50 pound and another worth $9.00 pound. Need a mixture of the two teas that totals 30lbs at $8.00 lb.
I did 6.50T+9.00T=8.00
15.5T= 8.00\15.5
T= 0.516129032
6.50(0. 516129032= 3.35483871
9.00(0.516129032)=4. 645161288
Please help not sure how to solve

9.
Click here to see answer by lynnlo(4176)

Question 734581: How many mL of 95% alcohol are needed to prepare 60 mL of 30% alcohol
Click here to see answer by josmiceli(19441)

Question 734624: in a chemical process, the temperature T is to be kept within 10 C of 100 C. Express this restriction as an absolute value inequality.
Click here to see answer by stanbon(75887)

Question 734769: 2 l of 70% sugar solution was mixed with 5 l of pure water. Find the concentration of the new mixture
Click here to see answer by josmiceli(19441)

Question 735040: you have a 40 liter solution that is 90% alcohol. How many liters of water must be added to have the solution be 50% alcohol?
Click here to see answer by josgarithmetic(39617)

Question 735211: one batch of fruit salad equal amounts of which kinds of fruit? explain how you decided
Click here to see answer by lynnlo(4176)

Question 735549: how would you solve 75% of 440
Click here to see answer by MathLover1(20849)

Question 735595:
A pharmacist has a 30% and 80% iodine solutions on hand. How many liters of each iodine dilution will be required to produce 8 liters of a 50% iodine mixture?
Click here to see answer by checkley79(3341)

Question 736045: IF THERE ARE 252 MILLIMITERS HOW MANY LITERS ARE IN THAT

Click here to see answer by solver91311(24713)

Question 736164:
want to make 12 liters of a 40% hydrogen peroxide solution consisting of a combo of 70% hydrogen peroxide solution and a 30% hydrogen peroxide solution. How many liters of each solution must be combined to make a 40% solution?
Click here to see answer by checkley79(3341)

Question 736332: 7 liters of an acid solution was mixed with 3 liters of a 15% acid solution to make a 29% acid solution. what is the percent concentration of the first solution? how to form a table that shows this ?

Click here to see answer by josgarithmetic(39617)

Question 736354: a researcher catches 60 fish from different locations in a lake. he then tags the fish and puts them back in the lake. 2 weeks later the researcher catches 40 fish from the same locations. 8 of these 40 fish are tagged. predict the number of fish in the lake.
Click here to see answer by josgarithmetic(39617)

Question 736373: A merchant buys tea at the rate of Rs.4.10,Rs.3.75 and 4.50 per kg and mixes them in the proportion of 5:4:1.At what price should he sell the mixture to gain 25%?
Click here to see answer by mananth(16946)

Question 736421: The equation of the gas line is 2x+y=2 . a factory located at the point ( 6,7) will connect with the gas line perpendicularly . find the equation of the connecting line and the length of the pipe required if the units are miles .
Click here to see answer by mananth(16946)

Question 736477: A chemist needs 180 milliliters of a 61% solution but has only 54% and 72% solutions available. Find how many milliliters of each that should be mixed to get the desired solution?
Click here to see answer by josmiceli(19441)

Question 736489: 3 kg of Ndiba's Red Hot Peanuts was made by combining 2 kg of peanuts which cost $4/kg with 1 kg of spices which cost $1/kg. Find the cost per kg of the mixture.

Click here to see answer by stanbon(75887)

Question 736806: jeremy uses one cleanser that is 25% acid and a second cleanser that is 50% acid. How many liters of each must be mixed together to produce 10. liters that is 40% acid?
Click here to see answer by josgarithmetic(39617)

Question 736924: How many liters of 400L of 20% NaCl solution must be replaced with 70% NaCl solution so that the resulting solution is 41%?
Click here to see answer by josmiceli(19441)

Question 736971: Have a 10% concentrate and need a .5% solution. How much water do I need to add to one fluid ounce of concentrate?
Click here to see answer by checkley79(3341)

Question 737125: Determine the slope and the angle of inclination of the line joining the point ( -2,5 ) and ( 3,-6 )
Click here to see answer by josmiceli(19441)

Question 737125: Determine the slope and the angle of inclination of the line joining the point ( -2,5 ) and ( 3,-6 )
Click here to see answer by mananth(16946)

Question 737199: please help me with this problem of writing a rational and/or polynomial equation. If Laura mixes 5mL acetic acid with 120mL water to make a solution that should be 5% acid, how does she know she needs to add more acetic acid?
Click here to see answer by jim_thompson5910(35256)

Question 737207: How many gallons of a 4% acid solution should be mixed with 30 gallons of a 14% acid solution to obtain a mixture that is 8% acid
Click here to see answer by stanbon(75887)

Question 737235: Find y and x intercept
-10x+y=22
Click here to see answer by rfer(16322)

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