SOLUTION: If Uzbech currency consists of 13 cent and 17 cent coins, can you buy a 20 cent newspaper and recieve exact change?

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Question 438332: If Uzbech currency consists of 13 cent and 17 cent coins, can you buy a 20 cent newspaper and recieve exact change?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Yes.

The difference between 17 and 13 is 4. 4 times 5 is the 20 cents needed for the paper. That suggests that 5 coins must be involved somehow.

Give the paper boy five 17 cent coins worth 85 cents. He gives you back a newspaper worth 20 cents and five 13 cent coins worth 65 cents.

John

My calculator said it, I believe it, that settles it
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