a butt by the family cow was one of the five different mishaps that befell farmer brown, his wife, his daughter, his teenage son, and his farmhand one summer mooring. from the rhyme that follows

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be