What number of blueberry pies did the bakery average promoting per day throughout that interval? You invested $4000, half at 5% and the remainder at 9% annual interest. At the end of the yr, the overall curiosity from these investments was $311. How much was invested at each rate? A solution of 54% alcohol is to be mixed with a solution of 22% alcohol to type 64 liters of a 42% resolution. How many liters of the 54% resolution have to be used?
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