Posted by Diana on Wednesday, May 18, 2011 at 8:18am.
John bought n objects, each costing n cents. The change he received from his $10 bill was less than $1 and consisted of only two denominations of coins. What was the minimum number of coins that John could have received?

math  Henry, Thursday, May 19, 2011 at 12:08pm
Min. = 2 coins.
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