Answer:
144 bicycles
Explanation:
Are you sure it's 400 hour week?
We can find his rate in bicycles per hour.
9 bicycles in 25 hours = 9/25 bicycles/hour = 0.36 bicycles/hour
Now we multiply the hourly rate by 400 hours to find the number of bicycles.
0.36 bycycles/hour * 400 hours = 144 bicycles