12. Solve these mixture applications: a. John is preparing 50 liters of a 25% saline solution. He only has 40% and a 10% solution
in his lab. How many liters of the 40% and how many liters of the 10% should she mix to
make the 25% solution?

Carrie started with 12 ounces of water when she begin to walk. when she was finish walking she had 2 1/4 ounces of water left. how much did she drank

What is the most accurate measurement of 1 pound

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)