A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 30% salt and Solution B is 55% salt. She wants to obtain 130 ounces of a mixture that is 40% salt. How many ounces of each solution should she use?

Q: A chemical company makes two brands of antifreeze. The first brand is 60% pure antifreeze, and the…

A: The gallons are:-

Q: A chemist has three different acid solutions. The first acid solution contains 15 % acid, the second…

A: Given query is to find the amount of every solution used.

Q: A chemical company makes two brands of antifreeze. The first brand is 35% pure antifreeze, and the…

A: Solution Concentrations: A solution is usually described in terms of the amount of a substance…

Q: A chemist mixes different solutions. By weight, she mixes 30% of a sample of substitute A and 60% of…

A: We have to find the weight of substitute C in grams. This question can be done using percentage…

Q: A scientist mixes water (containing no salt) with a solution that contains 45% salt. She wants to…

A:

Q: A chemist has three different acid solutions. The first acid solution contains 20% acid, the second…

A: Given :- we are given that a chemist has used 3 times as much of the 50% solution as the 30%…

Q: Haley works 30 hours per week between two part-time jobs: When she works as a waitress she receives…

A:

Q: The football team has an orange water jug and a blue water jug. The orange container is full with…

A: Given information: The football team has an orange water jug and a blue water jug. Volume of water…

Q: A scientist mixes water (containing no salt) with a solution that contains 45% salt. She wants to…

A:

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: A hospital needs 80 liters of a 12% solution of disinfectant. This solution is to be prepared from a…

A: 0.33x+0.05(80-x)=.12*800.33x+4-.05x=9.60.33x-.05x=9.6-40.28x=5.6x=5.6/0.28

Q: Two friends have built a lemonade stand, and they plan to start out by selling 24 liters of lemonade…

A:

Q: Scott and Laura have both invested some money. Scott invested P3000 more than Laura at a 2% higher…

A:

Q: A food chemist wants to mix some of Mixture A, which contains 10% sugar, with some of Mixture B,…

A:

Q: A chemist needs to mix a 75% saltwater solution with a 50%saltwater solution to obtain 10 gallons of…

A: One need to convert the given information in system of equations and then solve for the variables.

Q: A chemist has three different acid solutions. The first acid solution contains 15 % acid, the second…

A:

Q: How would I solve this?   Fran, Dieter, and Ollie are farmers. If Fran has twice as many acres as…

A: Let Fran has x acres, Dieter has y acres and Ollie has z acres.

Q: A chemist has three different acid solutions. The first acid solution contains 20% acid, the second…

A: Let 'x' amount of 20% Acid     Let 'y' amount of 30% Acid     Let 'z' amount 0f 75% Acid…

Q: A pharmacist has two vitamin-supplement powders. The first powder is 20% vitamin B1 and 30% vitamin…

A:

Q: A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive…

A: Given: Water and antifreeze are mixed to obtain 240 gallon of mixture with 55% antifreeze. The…

Q: How many gallons of a 10% antifreeze solution and a 20% antifreeze solution must be mixed to make 10…

A: How many gallons of a 10% antifreeze solution and a 20% antifreeze solution must be mixed to make 10…

Q: A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the…

A:

Q: A chemical company makes two brands of antifreeze. The first brand is 60% pure antifreeze, and the…

A: Let x gallons of first brand and (150-x) gallons of second brand be used  to obtain 150 gallons of a…

Q: A candy distributor needs to mix a 30% fat-content chocolate with a 60% fat-content chocolate to…

A: Explanation of the answer is as follows

Q: A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze and the…

A: Let X= amount of 20% pure antifreeze needed       Y= amount of 85% pure antifreeze needed…

Q: A scientist mixes water (containing no salt) with a solution that contains 20% salt. She wants to…

A: According to the question: Let, “x” = ounces of water used and “y” = ounces of solution used Then,…

Q: The Royal Fruit Company produces two types of fruit drinks. The first type is 55% pure fruit juice,…

A:

Q: Estelle and Carlos will be hosting a party and will buy 6 pies for their guests.  Two lemon meringue…

A: Let $x & $y be the cost of each lemon meringue pie and blueberry pie respectively. Now given…

Q: The Royal Fruit Company produces two types of fruit drinks. The first type is 60% pure fruit juice,…

A: Refer to the question, Let x pints of first fruits drink and y pints of second fruit drink be used…

Q: how many gallons (of the 80 percent rum) do you need to add?

A:

Q: You have a container of 42% acid solution, a container of 92% acid solution, and a 2 liters of pure…

A:

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

A:

Q: The Royal Fruit Company produces two types of fruit drinks. The first type is 45% pure fruit juice,…

A: given that the royal fruit company produces two types of fruit drinks.

Q: a scientist mixes water (containing no salt) with a solution that contains 20% salt. she wants to…

A: Given:  A scientist mixes water (containing no salt) with a solution that contains 20% salt. she…

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

A:

Q: A family has two cars. During one particular week, the first car consumed 30 gallons of gas and the…

A:

Q: A chemical company makes two brands of antifreeze. The first brand is 60% pure antifreeze, and the…

A: Let x=Amount of 60% antifreeze And y=Amount of 85% antifreeze So according to given data we get…

Q: Annie has 20 more horses than Betty, while Connie has 12 more horses than Annie and Betty together.…

A:

Q: An average bagel contains 30 mg of calcium and 2 mg of iron. One ounce of cream cheese contains 25…

A:

Q: A chemical company makes two brands of antifreeze. The first brand is  35% pure antifreeze, and the…

A: To work out the amounts of the two components (brands) satisfying the given data

Q: A chemical company makes two brands of antifreeze. Brand A is 45% pure antifreeze and brand B is 70%…

A: Consider the given question,Let x = Amount of 45% antifreezeAnd, y = Amount of 70%…

Q: A chemist has three different acid solutions. The first acid solution contains 25 % acid, the second…

A: Given: If  x is the liters of 25% acid,     y is the liters of 35% acid,     z is the liters of 55%…

Q: A chemist has three different acid solutions. The first acid solution contains 25 % acid, the second…

A:

Q: A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive…

A:

Q: Last year, Jenny had 120 acres more than Mackie, but Mackie sold half of his acres while Jenny…

A:

Q: The Royal Fruit Company produces two types of fruit drinks. The first type is 60%  pure fruit juice,…

A: Given query is to find the each type of juice to make 70% pure juice.

Q: A group of people purchased 10 hot dogs and 5 soft drinks at a cost of $35.00. A second group bought…

A:

Q: A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the…

A: Calculation:Let a be the first brand gallons of 45%  antifreeze needed and b be the second brand…

Q: A chemist has three different acid solutions. The first acid solution contains 20%20% acid, the…

A: Explanation: Suppose,  Given that,  Using 3 times as much of the 50% solution as the 30% solution.…

Q: A​ sparkling-water distributor wants to make up 200 gal of sparkling water to sell for $5.00 per…

A: Given Data: The amount of sparking water distributor wants to make is: A=200 gal The selling cost of…