 
 <prompt> Mitch don save $20000 to finance im boating hobby. One new boat dey cost $1500 per foot for length. If Mitch need keep $500 for license and registration, and three times that amount for docking fees, how many feet be the longest boat wey he fit buy? <response>: Mitch need to keep 500 * 3 = 1500 for docking fees.
So, he need to keep 500 + 3 * 500 = $2000 for license, registration, and docking fees.
He get 20000 - 2000 = $18000 wey remain to spend on top boat.
So, the longest boat wey he fit buy na 18000 / 1500 = 12 feet long.

Answer na 12. 