Solution for connecting energy storage cabinet to the power grid

The first acid solution contains 25% acid, the second contains 35% and the third contains 75%. He wants to use all three solutions to obtain a mixture of 64 liters containing 55% acid, using 3 …

Question 851665: Darius buys a bottle of a chemical solution that contains 70% alcohol. If the bottle contains 500 milliliters of solution, how many milliliters of alcohol are in the solution?

Question 1203015: How many liters of water must be added to 20 liters of a 20%salt solution to make it a 12.5 % salt solution Please i need a diagram and step by step solution.thnk you …

In this case, there is just one solution, and the system is called independent. Whenever you end up with something that involves one of the variables, such as x = 10, the system is …

SOLUTION: A certain preparation consists of liquids x, y, and z in the proportion 5:2:1. How many gallons of the preparation can be made from a stock of materials consisting of 25 gallons o

Question 588098: Find the pattern for the following series of numbers: 8, 5, 4, 9, 1, 7, 6, 3, 2, 0. Hints: This series problems looks just like a normal series problem, but it is different. You must …

Let x = the number of ml of 60% acid solution to be added to (300-x) ml of 30% acid solution to obtain 300 ml of 50% acid solution. Change the percentages to their decimal equivalents.

Question 1108519: A painter can paint a building in 15 days and a coworker can do the same job in 10 days. If the first painter starts and 3 days later the coworker joins in to help finish the job, …

Solution A contains 10% acid, and Solution B contains 30% acid. He will mix the two solutions to make 10 liters of a third solution, Solution C, containing 25% acid.

SOLUTION: Five hockey pucks and three hockey sticks cost $23. Five hockey pucks and one hockey stick costs $20. How much does on hockey puck cost?