Eric has been donating books. After 3 months, he had 157 books left in his room. After 8 months, he had 102 books left in his room. How many books per month did he donate on average between months 3 and 8?
31 books per moth
No. of books donated in between 3 to 8 months = 157 - 102 = 55so, 55 book donated in 5 months,Average book per month = 55/5 = 11 Books per month,
Please bet my answer if helpful. Thanks :)
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