Marcus decided to buy ghost & witch costumes for all his friends. He bought a total of 15 costumes. The ghost costumes cost $17 and the witch costumes cost $23. If he spent $321 for all the costumes, how many of each did he buy?​

probability for j is 1/4

while

a is 1/6

i'm not really sure how to answer that

step-by-step explanation:

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