Question

in 2008,about 16,000 hybrid cars were sold.in 2009,about 20,000 hybrids were sold. what is the rate of change in the number of hybrids sold per year from 2008-2009

Answer 1

There's a change in 4,000 cars per year.

Explanation:

To find the rate of change, use the equation below.

Change in amount/Change in time = rate

(20,000 - 16,000)/(2009 - 2008) = rate

4,000/1 = rate

4,000 cars per year.