A piggy bank contains 19 dimes, 8 nickels and 13 quarters. This morning you removed 6 dimes and 2 nickels. Which expression correctly shows the amount remaining in the piggy bank?

A 19d + 8n + 13q – 6d + 2n = $5.05
B 19d + 8n + 13q – (6d + 2n) = $4.85