6.8 x + 9.3 6.8 x + 9.3 equals -9.4 + 3.4 (2 minus 5x) ​

60%

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

43

step-by-step explanation:

not sure if this is supposed to be a trick question. 43 is the only one that makes any sense.