The second option! 16, 20, 24, 28 can all be divided by 4
Simple interest formula: A = P(1 + rt) where P is the Principal amount of money to be invested at an Interest Rate R% per period for t Number of Time Periods. Where r is in decimal form; r=R/100; r and t are in the same units of time.
that would mean he's 7 right now
7.25$ for one box of paper
Explanation: divide 14.50 by 2
