20 divided by 4 is 5 meaning Jackson read 5 books every month so if he read 20 books in 4 months + 5 more months he read a total of 45 books...
5*5=25
25+20=45
Answer: 25
Explanation:
20/4=5 so 5 books per month then a total of 5 months so 5x5=25
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