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4 coins, 3 in a triangle (use your imagination) and the other on top in the centre

Q: What is the minimum number of coins of the same size that can be placed on a table so that each coin touches only three other coins?

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The largest number of coins to equal a dollar is 100 pennies.

A multiple of 11 can't be a prime number.

You don't. The company is fraudulant. It's run by a guy who grades his own coins, touches them with his fingers, and grades everything at proof/MS 70. He sells these coins on Ebay under the name numismaticbureau

How can you make $25.45 using the least number of bills and coins?

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$1

I think it's 0.35 cents. is that correct, perhaps?

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I think it's 0.35 cents. is that correct, perhaps?

The minimum number would be one ($20 gold piece) and the maximum would be 2000 pennies.

Encapsulated coins have been placed in small plastic containers to keep them from getting tarnished.

$20, $10, $2, $2, 20c, 20c, 20c, 20c, 5c

Coins were placed in the mouths of the dead before burying them as payment for Charon. The boatman who demanded payment, for ferrying the souls of the dead across the River Styx to the entrance of Hades.

they placed coins in there eyes

A coin placed in a plastic container by a grading service.

The largest number of coins to equal a dollar is 100 pennies.