Questions on Word Problems: Mixtures answered by real tutors!

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Question 360129: HOW MUCH SALT MUST BE ADDED TO 60 KG OF A 20% SOLUTION OF SALT TO INCREASE IT TO 40% SOLUTION
Click here to see answer by ewatrrr(24785)

Question 360172: how much pure antifreeze must be added to 12 gallons of 20% antifreeze to make a 80% antifreeze solution
Click here to see answer by ewatrrr(24785)

Question 360182: HOW MANY ML OF WATER MUST BE MIXED WITH 40% SOLUTION TO MAKE A 6OZ OF A 25% SOLUTION?

Click here to see answer by solver91311(24713)

Question 360158: How do I set this up and can you show me how to do it with the answer?
A chemist needs 140 milliliters of a 35% solution but has only 23% and 65% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
Click here to see answer by solver91311(24713)

Question 360109: How much pure antifreeze must be added to 12 L of a 40% solution to obtain a 60% solution. (Remember that pure antifreeze is 100% = 1.) What is the correct question to solve this problem?

Click here to see answer by stanbon(75887)

Question 360252: how many ounces of pure water must be added to 60 ounces of a solution that is 20% water to make a solution that is 30% water
Click here to see answer by mananth(16946)

Question 360281: a 30% solution of fertilizer is to be mixed with a 60% solution of fertilizer in order to get 150 gallons. how many gallons of the 30% solution and 60% solution should be mixed?
Click here to see answer by checkley77(12844)

Question 360419: A company wants to mix peanuts, which contain 20% protein, and cashews, which contain 30% protein, to make a trail mix. Suppose the company wants to make 2000 pounds of trail mix that contains 27% protein. How many pounds of cashews must be used?
Click here to see answer by ewatrrr(24785)

Question 360661: A water tank that holds 60 L of water can be emptied in 24 min. How long will it take to empty a water tank that holds 280 L of water?
Click here to see answer by nerdybill(7384)

Question 360693: The ratio of Jim's age to his father's age is 2:5. If Jim is 20 years old. how old is his father.
Click here to see answer by ewatrrr(24785)

Question 360912: how many grams of alcohol must be added to 40 grams of a 15% alcohol solution to obtain a 20% alcohol solution
Click here to see answer by Fombitz(32388)

Question 360921: If I have a 20% acid solution and a 50% acid solution, how many liters of each do I have to mix to get 600 liters of a 30% solution?
Click here to see answer by Fombitz(32388)

Question 360984: how many gallons of a 80% anitfreeze solution must be mixed with 100 gallons of 25% antifreeze to get mixture that is 70% antifreeze?
Click here to see answer by Fombitz(32388)

Question 361061: To make pickles, fresh cucumbers are soaked in a salt water solution called brine. How many liters of a 2% brine solution must be added to 30 liters of a 10% brine solution to dilute it to an 8% solution?
Click here to see answer by robertb(5830)

Question 361703: How many liters of a 90% acid solution must be added to 6 liters of a 15% acid solution to obtain a 40% acid solution?
Click here to see answer by Fombitz(32388)

Question 361700: Nature's best wants to combine nuts they sell for $3.60 a pound with dried fruit they sell for $2.40 a pound to create trail mix. How much of each snack should they use to make 10 pounds of trail mix that would sell for $3.30 a pound?
Click here to see answer by robertb(5830)

Question 361743: A coffee manufacturer blends coffee for Maxwell House. They need to prepare 200 pounds of blended coffee beans selling for $3.95 per pound. They intend to do this by blending together a high-quality bean costing $4.95 per pound and a cheaper bean costing $2.65 per pound. To the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean they should blend.
Click here to see answer by mananth(16946)

Question 362077: quantity of 40% acid solution and another quantity of 10% acid solution must be mixed to form 15L of solution that 20% acid. how much of each must be mixed?
Click here to see answer by ewatrrr(24785)

Question 362050: My cars cooling system holds 4.5 litres. I put 1.5 litres of pure antifreeze and 3 litres of water in it. (33.33% antifereeze?) I have since drained 1 litre of this mixture and topped up with 1 litre of pure antifreeze. Could you please advise me how much of this new mixture I need to drain in order to achieve a 50/50 mix of antifreeze/water by topping up with pure antifreeze?
Many many thanks in advance, Wayne
Click here to see answer by scott8148(6628)

Question 362137: How many ounces of 35% solution of sulfuric acid(and distilled water) must be mixed with 12 ounces of a 20% solution to get a 30% solution of sulfuric acid?
Click here to see answer by checkley77(12844)

Question 362256: Help..I have examples but I am not getting how they get the 2nd equals to..
How many liters each of a 15% acid solution and a 30% acid solution must be used to produce 60 liters of a 20% acid solution?
I know to use substitution. x+y=60 and .15x+.30y= what?

Click here to see answer by nyc_function(2741)

Question 362231: a large drink cost 50 cents more than a small drink. write an expression for the total cost of 3 small drinks and two large drinks
im stuck , i wrote the problem out let ld: large drinks and sd:small drinks and i dont know what to do next
Click here to see answer by HasanSahin(52)

Question 349511: A car leaves an intersection traveling west. Its position 4 sec later is 24 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 4 sec later is 25 ft from the intersection. If the speed of the cars at that instant of time is 8 ft/sec and 6 ft/sec, respectively, find the rate at which the distance between the two cars is changing.

Click here to see answer by pinkslips1717(1)

Question 362263: A bicycle path is 5 miles long. A man walks from one end at the rate of 2 mph. At the same time, a friend bicycles from the other end, traveling at 18 mph. In how many minutes will they meet?
Click here to see answer by robertb(5830)

Question 362419: Matt and Ming are selling fruit for a school fundraiser. Customers can buy small boxes of oranges and
large boxes of oranges. Matt sold 3 small boxes of oranges and 14 large boxes of oranges for a total of
$203. Ming sold 11 small boxes of oranges and 11 large boxes of oranges for a total of $220. Find the
cost each of one small box of oranges and one large box of oranges.
Click here to see answer by mananth(16946)

Question 362415: Brenda's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75.00. The school took in $67.00 on the second day by selling 8 senior citizen tickets and 5 child tickets. What is the price each of one senior citizen ticket and one child ticket?
Click here to see answer by mananth(16946)

Question 362936: Can someone show me a table for the following equation? a spice mixture is 25% thyme. How many grams of thyme must be added to 12 g of the mixutre to increase the thyme content to 40%?
Click here to see answer by edjones(8007)

Question 362929: a spice mixture is 25% thyme. How many grams of thyme must be added to 12 g of the mixutre to increase the thyme content to 40%?
Click here to see answer by edjones(8007)

Question 362953: can you give me an example of the following word problem in a table format? A spice mixture is 25% thyme. How many grams of thyme must be added to 12 g to the mixuter to increase the thyme content to 40%?

Click here to see answer by edjones(8007)

Question 362997: how much water must be mixed with 5 pints of a solution that is 90% developer to produce a mixture that is 39% developer?
Click here to see answer by nerdybill(7384)

Question 363046: please help me solve this problem. a chemist has one solution that is 15% acid and another solution that is 10% acid. how much of the 15% solution is needed to make 80 L of the solution that is 12% acid
Click here to see answer by ewatrrr(24785)

Question 362875: Suppose you are a salesperson for quark computer company. Each month you earn $500 plus one sixth of your sales. What amount must you sell this month to earn $3000?

Click here to see answer by Fombitz(32388)

Question 363069: A lab has a 20% acid solution and a 50% acid solution. How many liters of each are required to obtain 600 liters of a30% solution?
Click here to see answer by Fombitz(32388)

Question 362943: Mr. Lowe bought some three cent stamps and some two cent stamps. The total cost was $8.90. How many stamps of each kind did he buy if the total number was 345 stamps?
Click here to see answer by checkley77(12844)

Question 363187: How many ounces of pure bran flakes must be added to 60 oz of cereal that is 20% bran flakes to produce a mixture that is 40% bran flakes?

Click here to see answer by stanbon(75887)

Question 363207: 2 m cubed of soil containing 35% sand was mixed into 6 m cubed of soil containing 15% sand. What is the sand content of this mixture?
Click here to see answer by ewatrrr(24785)

Question 363209: Emily mixed together 9 gal. of Brand A fruit drink and 8 gal. of Brand B fruit drink which contains 48% fruit juice. Find the percent of fruit juice in Brand A if the mixture contained 30% fruit juice.
Click here to see answer by stanbon(75887)

Question 363212: How many pounds of chicken feed that is 30% corn must be mixed with 280 lb of a feed that is 80% corn to make a chicken feed that is 70% corn?

Click here to see answer by checkley77(12844)

Question 363214: Two hundred ounces of juice that is 75% tomato juice are added to 100 oz of a vegetable juice that is 20% tomato juice. What is the percent concentration of tomato juice in the resulting mixture? (as a fraction)
Click here to see answer by Fombitz(32388)

Question 363211: A chemist wants to make 50 mL of a 17% acid solution by mixing a 13% acid solution and an 18% acid solution. How many milliliters of each solution should the chemist use?
Click here to see answer by Fombitz(32388)

Question 363204: A hair dye is made by blending a 8% hydrogen peroxide solution and a 3% hydrogen peroxide solution. How many milliliters of each are used to make a 500-milliliter solution that is 4% hydrogen peroxide?
Click here to see answer by checkley77(12844)

Question 363297: What quantity of 70 percent acid solution must be mixed with a 20 percent solution to produce 900 mL of a 50 percent solution?
Click here to see answer by robertb(5830)

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