Since each dime is equivalent to two nickels, you need 80 nickels.
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110 nickels and 40 dimes my little brother had the same problem
Six.
There are no dimes in nickels. But 25 dimes have the same monetary value as 50 nickels have.
5, though one of those ways are just nickles, and one of those ways are just dimes. If you want to know the ways, here they are: * 6 nickels and one dime * 4 nickels and two dimes * 2 nickels and 3 dimes * 8 nickels * 4 dimes
There are 11 ways. The formula is (20-2x) N + (x) D for x = 0 to 10 20 nickels, no dimes 18 nickels, 1 dime 16 nickes, 2 dimes 14 nickels, 3 dimes 12 nickels, 4 dimes 10 nickels, 5 dimes 8 nickels, 6 dimes 6 nickels, 7 dimes 4 nickels, 8 dimes 2 nickels, 9 dimes No nickels, 10 dimes