Join IDNLearn.com and start getting the answers you've been searching for. Discover in-depth and reliable answers to all your questions from our knowledgeable community members who are always ready to assist.

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=

Sagot :

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)
157 - 102 = 55
-----------------------
8-3 = 5

55/5 = 11 books