Question

Dingas2002 after take two began renting dvds at their video store, business soared. between 2005 and 2010, profits increased at an average rate of 9,000 per year year. total profits in 2010 were 45,000. if profits continue to increase at the same rate, what will the total profit be in 2014? show your work and justify

Answer 1

Same rate implies linear increase, which we are told is 9000/year 2010: profit of 45,000 2011: profit of 45,000+9000 = 54,000 2012: profit of 54,000 + 9000 = 63,000 2013: profit of 63,000 + 9000 = 72,000 2014: profit of 72,000 + 9000 = 81,000 <<<< This is the answer Note that we could have multiplied to get the same answer, but this way avoids fencepost problems: Okay because just a few years