Answer:
Hank earns $180 after 15 hours of babysitting.
Explanation:
We are given that,
Amount of money Hank earns per hour = $12
It is required to find the amount of money he earns after 15 hours of babysitting.
So, we have,
Amount earned per 1 hour = $12
Amount earned per 15 hour = 12 × 15 = $180
Hence, Hank earns $180 after 15 hours of babysitting.