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: Jerry and Jenny are setting up a lemonade stand. They have 180 cups of lemonade to sell. They spill…

A: Given: Jerry and Jenny are setting up a lemonade stand. They have 180 cups of lemonade to sell. They…

Q: How many quarts to 15 quarts of a 30% to oblain of antifreeze must be added antifieeze Solution a 50…

A: Given 15 quarts of 30% antifreeze solution.  Let x quarts of pure antifreeze added Final solution…

Q: A doctor prescribes 4 oz of 7.5% hydrocortisone to a patient. Hydrocortisone is available in 10% and…

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Q: Danny has 2/3 as many toy cars as Jack. They have a total of 75 toy cars. How many toy cars does…

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Q: After selling 15% hectares of his 35 % hectares farmland, the owner bought two other parcels of…

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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: Thirty gallons of a 20% acid solution is needed for an experiment. Only 40% and 10% acid solutions…

A: Given: 30 gallons of a 20% acid solution.

Q: Anne and Nancy use a metal alloy that is 13.5% copper to make jewelry. How many ounces of an alloy…

A: Given query is to find the quantity of each type of alloys.

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

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Q: How many liters of the 40% and how many liters of the 100% solutions should he mix to make the 61%…

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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: Corey had 1 3/4 as many sports cards as Miguel. When Miguel gave half of his sports cards to Corey,…

A: Given Information, Corey had 34 as many sports cards as Miguel. When Miguel gave half of his sports…

Q: A chemistry teacher needs to mix a 30% salt solution with a 70% salt solution to make 20 qt of a 40%…

A: Given that A chemistry teacher needs to mix a 30% salt solution with a 70% salt solution to make 20…

Q: Liam had 75% more magnets than John at first. Liam gave away 200% as many magnets as John. John was…

A: Let John start with x magnets and Liam start with y . Given : Laim had 75 % more magnets than John .…

Q: Angelina teaches 2/3 of the deaf children in her local school. Her local school educates 1/2 of the…

A: Let the number of deaf children in school district be x. It is given that local school educates 12…