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Re: The piggy bank contains/includes a hundred ten-dollar coins.
'Contains' would be usual and means that the coins are inside the piggy bank. 'Includes' here would be very unusual and would have to have a context similar to this: the piggy bank is for sale, and whoever buys it will also receive 110 dollar coins.
The piggy bank contains/includes a hundred ten-dollar coins. 
Re: The piggy bank contains/includes a hundred ten-dollar coins. 
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