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Question 357136: A chemist wants to make 54 mL of a 17% acid solution by mixing a 13% acid solution and an 19% acid solution. How many milliliters of each solution should the chemist use?
13% solution ? mL
19% solution ? mL
Click here to see answer by checkley77(12844)

Question 357192: Five grams of sugar are added to a 45-gram serving of a breakfast cereal that is 20% sugar. What is the percent concentration of sugar in the resulting mixture?
? %
Click here to see answer by stanbon(75887)

Question 357191: How many ounces of pure chocolate must be added to 140 oz of chocolate topping that is 50% chocolate to make a topping that is 75% chocolate?
? oz
Click here to see answer by stanbon(75887)

Question 357298: A 20 lb bag of nut mix has 40% of peanuts and 60% of cashews. To get 20% peanuts,
how much of the mix should be replaced with pure cashews?
Click here to see answer by robertb(5830)

Question 357291: A bottle contains 750ml of fruit punch with a concentration of 50% pure fruit juice. Jin drinks 100ml of the punch and then refills the bottle win an equal amount of a cheaper brand of punch. If the concentration of juice in the bottle is now reduced to 48%, what was the concentration in the punch that Jill added?
Click here to see answer by ewatrrr(24785)

Question 357362: A saline solution is 20% salt. How many gallons of water must be added to dilute the mixture to 8 gals of a 15% saline solution?
Click here to see answer by ewatrrr(24785)

Question 357398: A 4% solution contains 4% disinfectant and 96% water. How many ounces of solution are made with 2 ounces of disinfectant?
Click here to see answer by edjones(8007)

Question 357518: How many liters of water must be added to 50 L of a 30% acid solution in order to produce a 20% acid solution?
Click here to see answer by ewatrrr(24785)

Question 357440: how much of an alloy that is 30% should be mixed with 500 ounces of an alloy that is 70% copper in order to get an alloy that is 50% copper
Click here to see answer by scott8148(6628)

Question 357687: how much 60% solution must be mixed with a 80% solution to produce 25 gallons of a 76% solution
Click here to see answer by mananth(16946)

Question 357688: how many gallons of an 80% solution and a 20% solution must be mixed to obtain 20 gallons of a 59% solution
Click here to see answer by scott8148(6628)

Question 357793: greg has two soulutions avaiable in a lAB, one with 6% alcohol and another with 14% alcohol. how much of each should he mix together to obtain 10 gallons of a solution hat contains 12% alcohol.
Click here to see answer by mananth(16946)

Question 357764: You want 50 oz of dye that is 27% red. What you have on hand is a dye that is 10% red and another dye that is 65% red. How much of each would you use to get the desired mixture?

Click here to see answer by Fombitz(32388)

Question 358002: How many liters of 80% salt solution would we need to mix with 12 liters of 30% salt solution to produce a 40% salt solution as a result?
Click here to see answer by Fombitz(32388)

Question 358029: A miller wishes to make 140 bushels of a mixture of corn and oats to sell at $1.20 a bushel. If a bushel of oats is worth 80 cents and a bushel of corn is worth $1.50, how many bushels of each should he use?
Click here to see answer by ewatrrr(24785)

Question 358019: The product of two consecutive positive integers is 11 more than their sum. What are the integers?

Click here to see answer by checkley77(12844)

Question 357924: One hundred ounces of juice that is 70% tomato juice are added to 200 oz of a vegetable juice that is 20% tomato juice. What is the percent concentration of tomato juice in the resulting mixture? (Enter your answer as a fraction.)
?%
Click here to see answer by scott8148(6628)

Question 357925:
How many liters of a blue dye that costs $15.80 per liter must be mixed with 21 L of anil that costs $2.90 per liter to make a mixture that costs $11.50 per liter?
? L
Click here to see answer by scott8148(6628)

Question 358198: In a chemistry class, 12 liters of a 12% alcohol solution must be mixed with a 20% alcohol soluttion to get a 14% solution. How many liters of the 20% solution are needed?
Click here to see answer by scott8148(6628)

Question 358493: HOW MANY OUNCES OF PURE WATER AND HOW MANY OUNCES OF A 16% BUTTERFAT SOLUTION SHOULD Charlotte MIX TO OBTAIN 32 OUNCES OF A 10% BUTTERFAT SOLUTION?
Click here to see answer by ewatrrr(24785)

Question 358516: mrs. williams mixed nuts that cost $3.90 per pound with nuts that cost $4.30 per pound to obtain a mixture of 50 pounds of nuts worth $4.20 per pound. how many pounds of each type of nuts did she use?
Click here to see answer by CharlesG2(834)

Question 358567: To produce 20 liters of a 45% alcohol solution by mixing together a 60% solution and a 35% solution, how many liters of a 60% solution should be used?
Click here to see answer by Fombitz(32388)

Question 358540: If you have a solution that's 40% alcohol and another that's 70% alcohol how much of the 70% alcohol do you have to add to the 40% to make the 40% raise to 50% alcohol. Start with 100 ml of the 70% solution?
Click here to see answer by checkley77(12844)

Question 358715: how much of a 50% acid solution must be mixed with 30 gallons of a 19% acid solution to obtain a solution that is 40% acid?
Click here to see answer by nyc_function(2741)

Question 358715: how much of a 50% acid solution must be mixed with 30 gallons of a 19% acid solution to obtain a solution that is 40% acid?
Click here to see answer by checkley77(12844)

Question 358689: A chemist needs 18L of a 20% solution of alcohol. she has on hand a 15% solution as well as a 30% solution. How many L of the 15% solution and the 30% solution should she mix to get the 20% solution needed?
Click here to see answer by checkley77(12844)

Question 358904: how many grams of pure salt must be added to 40g of a 20% salt solution to make a solution that is 36% salt

Click here to see answer by stanbon(75887)

Question 358904: how many grams of pure salt must be added to 40g of a 20% salt solution to make a solution that is 36% salt

Click here to see answer by mananth(16946)

Question 358921: How many ounces of pure chocolate must be added to 270 oz of chocolate topping that is 50% chocolate to make a topping that is 75% chocolate?

Click here to see answer by stanbon(75887)

Question 358615: Cashews sell for $5 per pound, and peanuts sell for $2 per pound. How many pounds of each
Would you use to make 12 pounds of a mixture that sells for $3.75 per pound?
Click here to see answer by nyc_function(2741)

Question 358953: 1. Find the value for the correlation coefficient r.
x 10 8 7 12 14 5
y 20 19 17 25 28 9
Click here to see answer by Fombitz(32388)

Question 358972: a 25 liter solution of alcohol in water is 72% alcohol. how many liters of an 80% solution must be added if the final solution is to be 75% alcohol?
Click here to see answer by Fombitz(32388)

Question 359047: A three -pound box of rice costs $2.40. What is the cost per pound?
Click here to see answer by mananth(16946)

Question 359046: A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t)= 56t-16t� . What is the maximum height that the ball will reach?
Do not round your answer.
*here was my approach
i factored the equation getting:
= 4t(-4t+14)
= 4t = 0 -4t+14 = 0
t = 0 -4t = -14
t = 7/2
The answer i came up with was 3.5ft, is this correct?

Click here to see answer by Fombitz(32388)

Question 359223: Forty ounces of a 30% gold alloy are mixed with 60 ounces of a 20% gold alloy. Find the percent concentration of the resulting gold alloy.
Click here to see answer by nyc_function(2741)

Question 359405: I am in college readiness, and we have a quiz tomorrow except that I do not understand liquid mitures. the problem is
how many liters of water must be added to 8 liters of a 40% acid solution to obtain a 10% acid solution?
Click here to see answer by robertb(5830)

Question 359560: Hi, doing my statistic homework and I need help. The question is you spin a number wheel that has 19 numbers 950 times. The random variable represents the the winning numbers on each spin of the wheel. I don't really get the question and how I'm suppose to do it.

Click here to see answer by Fombitz(32388)

Question 359587: Two train are 532 miles apart and are traveling toward each other. One train is traveling 9 mph faster than the other train. The trains pass each other in 4 hours. Fine the speed of each train.
Click here to see answer by mananth(16946)

Question 359484:
Click here to see answer by Fombitz(32388)

Question 359650: How many liters of pure baking soda must be added to 200 liters of a 30% baking soda solution to get a 60% baking soda solution?
Click here to see answer by ewatrrr(24785)

Question 359596: Hello, I have two problems I need help with. Thanks
let p, q, and r be the following statement:
p: jamie is on the train.
q: sylvia is at the park.
r: nigel is in the car.
translate the following statement into english: (~q^p)arrow going to right ~r
construct a truth table for ~q V ~p
Click here to see answer by Fombitz(32388)

Question 359801: How many pairs of partners for the three-legged race can be formed from a group of 8 people?
Click here to see answer by stanbon(75887)

Question 359897: melissa has$20.00 to buy tickets at the movies. each ticket costs $3.75 at the discount theater. how man tickets can she buy? how much change will she get back?
Click here to see answer by robertb(5830)

Question 359899: melissa has$20.00 to buy tickets at the movies. each ticket costs $3.75 at the discount theater. how man tickets can she buy? how much change will she get back?

Click here to see answer by mananth(16946)

Question 359861: How much coffee costing $3 a pound should be mixed with 5 pounds of coffee costing $4 a pound to obtain a mixture costing $3.25 a pound?
Click here to see answer by nyc_function(2741)

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