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  Number & Math Play

Loose Change
 
Q I have pennies, nickels, dimes, and quarters.

How many of which coins should I give you if you want 1 dollar in 6 coins?

How many of which coins should I give you if you want 1 dollar in 28 coins?


 
A If you want 1 dollar in 6 coins, I should give you 3 quarters, 2 dimes, and 1 nickel.

If you want 1 dollar in 28 coins, I should give you 3 quarters and 25 pennies.

FromThe Best of Brain Teasers from Teacher Created Materials,p. 141.