Javier had $305 in his bank account. His bank charges a fee of $7.50 each month that a balance is below $500.
If he makes no other deposits or withdrawals, how much money is in Javier’s account at the end of three months?
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At the end of the first month, Javier's balance will be $305 - $7.50 = $<<305-7.5=297.5>>297.50.
At the end of the second month, Javier's balance will be $297.50 - $7.50 = $<<297.5-7.5=290>>290.
At the end of the third month, Javier's balance will be $290 - $7.50 = $<<290-7.5=282.5>>282.50. Answer: \boxed{282.5}.