Respuesta :

michelle106
since 1 dollar has 100 pennies.
so 10 × 100 = 1000
and 20 × 100 = 2000
so we know there are 100 pennies in $1 so 100 times 10 should equal 1,000 pennies. There are 400 nickels in a $20.  1 dollars equals to 20 nickels. I really do hope that works.

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