he price of apples went from $0.30 per lb to $0.90 per lb in three years. Find the rate of change of the price of apples. A) $0.10 per pound per year B) $0.20 per pound per year C) $0.30 per pound per year Eliminate D) $0.40 per pound per year
To find the rate of change, find the total change in price and then divide it by number of years over which it changed. So the answer is $0.603 which is $0.20 per pound per year.
