Katie bought 4 sweaters that cost the same amout and 1 skirt that cost $20.the items she bought cost a total of $160 before tax was added. what was the cost of each sweater

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

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