Povidone Iodine Solution

SOLVED: two tablespoonfuls of povidone iodinesolution (10% w/v) were diluted to 1quart with purified water, what would bethe ratio strength (w/v) of the dilution?

SOLVED: 49. A hospital worker combined 2 fluid ounces of povidone-iodine cleaner, 7.5% w/v, with 4 fluid ounces of a povidone-iodine topical solution, 10% w/v. Calculate the resulting strength of the povidone-iodine mixture.