Respuesta :

There are nearly 18 ways, here are some examples: 
♥ 30 pennies 
♥ 2 dimes + 2 nickels 
♥ 2 dimes + 1 nickel + 5 pennies 
There are more than 18 ways and 30 ways, because there are loads of combinations so you could estimate the amount easily ;)

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