Answer:
6 pounds per month
Explanation:
Given :He initially weighs 160 pounds and by the end of 12 months weighs 232 pounds.
To Find : What is the approximate rate of change in Anthony's body weight?
Solution :
Initial weight = 160 pounds
Weight after 12 months = 232 pounds
So, difference in weights = 232 - 160 = 72 pounds
So, change in weight per month =

Hence the approximate rate of change in Anthony's body weight is 6 pounds per month