The price of a gallon of milk went from $2.70 to $3.50 in four years. find the rate of change of the price of milk.
a) $0.10 per year
b) $0.20 per year
c) $0.50 per year
d) $0.80 per year

B)$0.20 per year

Step-by-step explanation:

Given: The previous price of a gallon of milk = $2.70

The new price of a gallon of milk = $3.50

Time to increase price = 4 years

Now, the rate of change of price of milk is given by:-

Hence, the rate of change of the price of milk= $0.20 per year

36/60

36/2=18

60/2=30

18/30

18/3=6

30/3=10

6/10

6/2=3

10/2=5

your final answer would be 3/5 of an

hope this !