The price of bread went from 1.50,per loaf when bill started tracking to 2.50 per loaf in four years later find the rate of change of the price of bread. A. .15 b. .25 c. .55 d. 1.00
To find the rate of change of the price of bread, we need to calculate the difference in price per loaf over the four-year period and then divide by the number of years.
Price of bread after four years = $2.50
Price of bread when Bill started tracking = $1.50
Change in price = $2.50 - $1.50 = $1.00
Rate of change = Change in price / Number of years
Rate of change = $1.00 / 4 years = $0.25 per year
Therefore, the rate of change of the price of bread is $0.25.
The correct answer is b. .25.