Peggy was taking a timed 20-question test. She was able to correctly answer 80% of the questions but had to skip the rest. How m
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Our P = 100, r = .08, n = 1 (annually means once a year), and t = 15. Filling in accordingly, we have 
. Simplifying a bit gives us 
and 
. Raising that number inside the parenthesis to the 15th power gives us 
. Multiplying to finish means that A(t) = $317.22