INTERMEDIATE ALGEBRA MIXTTURE “VS.” INTEREST PROBLEMS #1 How much of a beverage containing 20% juice must be mixed with 5000 gallons of a beverage containing 5% juice, to get a cocktail that’s 10% juice? #2 Neal has $5000 invested in a savings account that earns 5% annual interest. He’s going to buy stock that can expect to earn about 20% interest (yes it’s unrealistic in this economy but I wanted to match numbers with the juice problem). He wants the total investment to earn 10% interest overall. How much should he invest in stocks? Again, these two problems are the same. Both involve “mixtures” of percentages of some sort – one of 2 different juice concentrations, and the other of 2 different “interest concentrations.”
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Capital accumulation, the juice, Saving, Mixture model