Is that the whole question? Was there a picture?
Answer:
25
Step-by-step explanation:
Pat attention to the ending of the numbers. If there are an odd amount of odds, it's going to be odd. If there is an even amount of odds, it's going to be even. If there's only evens, it's only going to stay even.
$87.5 because 30% of 125 is 37.5 so 125-37.5 is 87.5
18.75÷5=3.75
12.75÷3=4.2
The pack of 5 books has the lower cost per book
