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Answer:
9x-3x(2-4)=6x(3x+4)-6(3x-2)
Tax rate is 5.5% because 1,375/25,000 is equal to 0.055 which is 5.5 in percentage form. To prove it you can multiply 25,000 by 0.055 and get 1,375
Doing an X and Y table i do not see that they will have the same amount. Adrian will always have 4 more comic books than Roy
Principal amount = P = $500
Time = t = 14 years
Interest rate = r = 8.25% = 0.0825
Amount accumulated = A
Using the formula of compound interest:
Substituting the values, we get:
Thus the amount accumulated after 14 years will be $1587.01. Compared to the original amount of $500, this amount is tripled.