Question

the price of bananas went from $0.20 per lb to $0.60 per lb in four years. what is the rate of change of the price of bananas?

Answer 1

The difference between $0.20 and $0.60 is: 0.60 - 0.20 = $0.40

The rate of change in 4 years is $0.40
The rate of change in 1 year is $0.10