In a class experiment, a student needs 5 Liters of 6% solution. He found a 4% and a 10% solution in the laboratory. How many Liters of each solution should he mix in order to obtain 5Liters of 6% solution?

Q: Adrian works in New York City and makes $42 per hour. She works in an office and must get her suit…

A: Let she has to work at least x hours In 1 hour she earns $42 In x hours she earns $42x    And her…

Q: With 2.4 mil subscribers, a top- ranked magazine has 1140% more digital subscribers than a magazine…

A: Suppose, the magazine ranked third has x million subscribers Therefore, the top-ranked will have…

Q: how many quarts of pure antifreeze must be added to 8 quarts of a 10% in time for your solution to…

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Q: How many gallons of a 3% salt solution must be mixed with a 7% salt solution to obtain 100 gallons…

A: We will solve the following.

Q: 3. Art has a 10% solution of alcohol and a 40% solution of alcohol. How much of each does he need to…

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Q: How many gallons of a 4% salt solution must be mixed with 65 gallons of a 26% solution to obtain a…

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Q: If a bottle was 2 thirds full and someone pours out a quarter of that liquid how much is left?

A: This is a problem of mathematical application. By using fractional rule we will calculate the…

Q: A biologist has two brine solutions, one containing 5% salt and another containing 20% salt. How…

A: We can solve the problem by equating both side according to the given criteria.

Q: A recipe for cupcakes yields 1 1/2 dozen cupcakes. By how much should the ingredients be multiplied…

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Q: Ms. Smith invested $11,000 in two accounts, one yielding 6% interest and the other yielding 9%. If…

A: Answer is below

Q: How many ounces of each of a 60% salt solution and a 30% salt solution should be mixed to obtain 270…

A:

Q: A chemist needs to make 2 liters of a 15% acid solution from a 10% acid solution and a 35% acid…

A: Volume of 15% acid solution=2 liters

Q: If Julian has 2 times as many dimes as quarters and they have a combined value of 225 cents, how…

A:

Q: James had 1/8 as many pencils as Mark. When Mark gave half of his pencils to James, he then had 12…

A: To solve the given problem we first need to formulate the equation corresponding to given statements…

Q: How many gallons  of a 6% salt solution must be mixed with 10 gallons  of a 8% solution to obtain a…

A: Let x denote Gallon. So, gallons of a 6% salt solution are calculated as (x gal) (6%).

Q: A chemist needs to mix a 12% acid solution with a 32% acid solution to obtain an 8‐liters mixture…

A:

Q: A chemistry teacher needs to mix a 40% salt solution with a 80% salt solution to make 20qt of a 50%…

A: Let the required amount of 40% salt solution be x quarts.

Q: How many gallons of a 57% salt solution do we need to mix with 120 gallons of a 30% salt solution so…

A:

Q: As a gift for his wife's birthday, Kristoff gave Anna a bouquet which contained a flower for each…

A: Given that: Age of Anna is equal to the number of flowers she recieved.Cost of Roses=20 gold coins a…

Q: A photographer is mixing 2 liters of a 10% acetic acid solution with a 5% solution to get a 7%…

A: We have to find the amount of 5%solution to be added.

Q: How many gallons of a 80% antifreeze solution must be mixed with 80 gallons of 20% antifreeze to get…

A: Given: There are two types of solution One contain 80% antifreeze and other contain 20% antifreeze…

Q: A 12-ton mixture consists of one-sixth sand, two-sixths gravel, and one-half cement. If x tons of…

A:

Q: The field biologist was recording sightings of raccoons and deer in a neighborhood over the course…

A:

Q: Jolene invests her savings in two bank accounts, one paying 3 percent and the other paying 10…

A: Let the amount invested in 10% interest account = x.Then the amount in 3% yield account=2x

Q: If Gabriel has 3 times as many nickles as dimes and they have a combined value of 125 cents, how…

A: Assume number of dimes = x and number of nickles = 3x

Q: A chemist needs to mix a 36% salt solution with a 77% salt solution to make 40 liters of a 53% salt…

A: Consider the provided question, A chemist needs to mix a 36% salt solution with a 77% salt solution…

Q: A chemist needs 12L of a 40% alcohol solution. She must mix a 12% solution and a 50% solution. How…

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Q: A chemist needs to mix a 12% acid solution with a 20% acid solution to obtain 160 ounces of a 15%…

A: Given: A chemist needs to mix a 12% acid solution with a 20% acid solution to obtain 160 ounces of a…

Q: With x people on board, a South African airline makes a profit of (960−3x) rands per person for a…

A: Given problem:- With x people on board, a South African airline makes a profit of (960−3x) rands per…

Q: A pharmacist needs 20 liters of a 2% saline solution. He has a 1% and a 5% solution available. How…

A:

Q: The fabric store ordered 5 times as many pairs of scissors as seam rippers. If they ordered a total…

A: Topic = Algebra let the number of seam rippers  ordered =x then the number of pairs of scissors…

Q: A photographer wants to mix 4 liters of a 6% acetic acid solution with a 10% solution to get a 7%…

A: Let x be the amount of 10% solution required.So, according to question:0.06(4) + 0.1x=0.07(x+4)

Q: A restaurant sold 350 less hotdogs than hamburgers. Altogether, the restaurant sold 700 hotdogs and…

A: Let the number of hotdogs and hamburgers sold be x & y respectively

Q: A boy has $2.25 in nickels and dimes. If there are twice as many dimes asnickels, how many of each…

A:

Q: A chemist has three acid solutions at various concentrations. The firs is 10% acid, the second is…

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Q: A laboratory assistant wants to make 10 liters of 40% acid solution. If solutions of 50% and 25% are…

A: Given: 50% and 25% solution of acid are available in the laboratory We have to make 40% acid…

Q: Jotham needs 70 liters of a 50% alcohol solution. He has a 30% solution and an 80% solution…

A: Total liters=70 Types of solutions= 30%, and 80%

Q: The casola dining room sold half as many orders of appetizers as desserts. How many appetizers were…

A:

Q: How many gallons of a 4% salt solution must be mixed with 75 gallons of a 6% solution to obtain a 5%…

A:

Q: A chemist must mix 10L of a 40%acid solution with some 70% solution to get a 50% solution. How much…

A: A chemist must mix 10L of a 40%acid solution with some 70% solution to get a 50% solution. Let x L…

Q: A photographer wants to mix 2 liters of a 5% acetic acid solution with a 10% solution to get a 7%…

A: Let x be required amount of 10% solution.

Q: Allison needs 18 liters of a 5% saline solution. She has a 1% solution and a 10%solution available.…

A: Given:The 5% of saline solution contains a miture of 1% and 10% solutions.The total amount of saline…

Q: A chemist needs to mix an 18% acid solution with a 45% acid solution to obtain 12 liters of a 36%…

A: Consider x is the amount of 18% solution, that is 18% of x =18100×x=0.18x So according to the…

Q: A salesman sold twice as many pears in the afternoon than in the morning. If he sold 350 kg of pears…

A: Consider x is the kg the person sold in the morning. Thus, in the afternoon , the person sold 2x kg.…

Q: If Juwan has 2 times as many nickels as quarters and they have a combined value of 210 cents, how…

A:

Q: A photographer wants to mix 4 liters of a 7% acetic acid solution with a 12% solution to get a 9%…

A: Let x be the volume of the 12% solution.

Q: If Mikayla has 2 more dimes than quarters and they have a combined value of 195 cents, how many of…

A:

Q: Joy needs to mix a 10% saline solution with a 40% saline solution to create 200 millileters of a 13%…

A:

Q: Alan has to carry 273 apples from a farm to the market. How many baskets will he need, given that…

A: Alan has to carry 273 apples from a farm to the market. How many baskets will he need, given that…