SOLUTION: You have 100 nickels, 100 dimes and 100 pennies. How do you make $1.00 using 21 of these coin?

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Question 960510: You have 100 nickels, 100 dimes and 100 pennies. How do you make $1.00 using 21 of these coin?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
This is something you do using trial and error

Here are 2 ways to do it:

a) 10 pennies, 4 nickels, 7 dimes

b) 5 pennies, 13 nickels, 3 dimes