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Asked by Anonymous

Julio is mailing a small package to Tony, who lives in another city. Julio has to put 18 cents worth of stamps on the package. Julio has 10 cent stamps, 4 cent stamps, and 2 cent stamps that he can use. How many
different groups of stamps could Julio use on his package?
4 years ago

Answers

Answered by oobleck
10+4+4 = 18
Now start replacing those stamps with smaller ones (4=2+2, 10=4+4+2, etc.), till you get all the way down to
2+2+2+2+2+2+2+2+2 = 18
4 years ago

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