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 r

Question

3 years ago

13

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 r

oom. 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?

Mathematics

2 answers:

Akimi4 [234] · Answer 1 · 2021-12-10T11:55:29+03:00

Akimi4 [234]3 years ago

6 0

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

55/5 = 11 books

chubhunter [2.5K] · Answer 2 · 2021-12-10T09:55:39+03:00

chubhunter [2.5K]3 years ago

5 0

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)