Answer: 40 y
Explanation:
Given : Ryan works 40 hours a week.
To find : The number of hours he works in y weeks
To find the number of hours he works in y weeks, we need to multiply the total time Ryan work in a week to the number of weeks he worked.
i.e. The number of hours he works in y weeks is given by :-

Hence, the number of hours he works in y weeks = 40 y