Write an algebraic equation for the following problem and then solve it. Heather and Chris borrowed $2000 at a simple interest rate of 5% for a period of 3 years. What was the interest?
Write an equation for the interest I earned.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?