Mary borrowed $4,500 to help pay for college. If the bank
charges a 5.5% annual interest
rate, how much interest will
Mary pay after 4 1/2 years?

1113.75

Step-by-step explanation:

The formula for simple interest is as follows: Simple interest = principal balance x interest rate x term of the loan

P=4500

i= 0.055

t=4.5

multiplying them together we get

1113.75

The reason that this is simple interest is because compound interest increases over time as an exponential

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step-by-step explanation:

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is: