Answer:
Noah had 8 cookies left over after the bake sale
Step-by-step explanation:
64 multiplied by 1.25 (or 125%) gives you 80 cookies
then you multiply 80 by .90 (or 90%) and you get 72 which means he sold 72 cookies
80-72 gives you 8 cookies
Noah had 8 cookies left over after the bake sale
