SOLUTION: A man bought 15 books for #9800. Some of these books cost #600 each and the rest cost #700 each. How many of each type did he buy.

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Question 976528: A man bought 15 books for #9800. Some of these books cost #600 each and the rest cost #700 each. How many of each type did he buy.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Conceptually exactly like the two-yams question. The same method would apply.