Answered

eric has been donating books he no longer needs to his local library. after 3 months of donating, he had 157 books left in his room. after 8 months of donating, he had 102 books left in his room. how many books per month did eric donate on average between monhs 3 and 8?

eric has been donating books he no longer needs to his local library after 3 months of donating he had 157 books left in his room after 8 months of donating he class=
eric has been donating books he no longer needs to his local library after 3 months of donating he had 157 books left in his room after 8 months of donating he class=


Answer :

he donated 18 books per month. you first finds the difference of the books then do use the number of books by the number of months (in this case it was 5 months)
santhoshs97
157 - 102 = 55
-----------------------
8-3 = 5

55/5 = 11 books