Posted by dk on Monday, January 3, 2011 at 6:37pm.
how can the clerk make the change of the $1 bill using the fewest number of coins?

4th grade  Ms. Sue, Monday, January 3, 2011 at 6:42pm
Two 50cent pieces.
Is there more to this problem?

4th grade  dk, Monday, January 3, 2011 at 7:34pm
in book one side they say carlo had to buy on can of food because he ran out. he went to the store and bought a $0.79 can of food. he paid with a $ 1 bill. how much change did he get? ( this is different one in one question they put 5 parts in one question)
this answer is $0.21 left

4th grade  dk, Monday, January 3, 2011 at 8:04pm
no

4th grade  Ms. Sue, Monday, January 3, 2011 at 9:16pm
What is the least number of coins that make up $0.21?
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