Math
posted by Anonymous .
Jane wishes to buy books for her children. At one shop a book costs sh.400 it is sold with 2 pens costing sh.10 each and another shop sells a book at sh.200 with a pen costing sh.40 each. She is prepared to spend not more than sh.3200 on books and sh.280 on pens. Find the largest number of books she can buy.

Math 
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