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144 Books

Math brain teasers require computations to solve.


Puzzle ID:#40062
Fun:*** (2.41)
Difficulty:*** (2.41)
Submitted By:shenqiangAcn****!!




Peter had 144 books and donated them to four schools. When Peter checked the number of books given to each school, he found out that the difference of the number of books between School A and School B was 4; between School B and School C was 3; between School C and School D was 2. School A had the most number of books, but received less than 40 books. How many books did School D get?

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