 
 <prompt> Tom Sawyer don trick im friends make dem white wash Aunt Polly 100-foot fence. Im first friend, Ben, white wash 10 feet. Im second friend, Billy, white wash one fifth of the remaining fence. A third friend, Johnny, white wash one third of the fence wey remain after that. How much of the fence still need white wash? <response>: E be 100-foot fence, and Ben white wash 10 feet, so e remain 100 - 10 = 90 feet after Ben finish.
Billy white wash one fifth of am, wey be 90 / 5 = 18 feet.
E remain 90 - 18 = 72 feet of fence.
Johnny white wash one third of am, wey be 72 / 3 = 24 feet.
E remain 72 - 24 = 48 feet of fence wey dey for white wash.

The final answer: 48. 