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Number Theory Level 2

I have ten coins totaling forty cents. Two of them are not dimes. How many pennies do I have?

Details and assumptions

  • Pennies are worth one cent, nickels are worth five cents, dimes are worth ten cents, and quarters are worth twenty-five cents.

  • These are the only type of coins that may be used.

Finn Hulse by Finn Hulse
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