The hours it would take Jessica to paint her whole wall is 16/25 hours.
In order to determine how long it would take Jessica to paint her whole wall, the hour she uses to paint 5/8 of her wall would be divided by 5/8.
Time it would take to paint the whole wall = 2/5 ÷ 5/8
= 2/5 x 8/5 = 16/25 hours
A similar question was answered here: https://brainly.com/question/16567426
