Melissa bought 4 books from the school book fair with $20. If Melissa got $3.72 in change, what was the average cost of each book?

$4.07 per book

Step-by-step explanation:

Subtract change from the total paid to find out price of books ($20-$3.72=16.28)

Divide the cost of all books by the number of books ($16.28÷4=$4.07)

Each book cost an average of $4.07

b i think

step-by-step explanation:

not really sure

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent