Purcased For 3 Dollars


A man paints his house but needs something to finish the job. He goes
to the hardware store & the clerk shows him what he needs, says "1 is 
one dollar."

The painter says, "Okay, I'll take 700. Here's three dollars."

What has the man bought?
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Answer:
He bought house numbers. The number 700 is three numbers, which cost one
dollar each, or a total of three dollars.