Tim's phone service charges $26.83 plus an additional $0.16 for each text message sent per month. If Tim's phone bill was $30.83, which equation could be used to find how many text messages, x, Tim sent last month?

A.
$0.16x + $26.83 = $30.83

B.
$26.83x - $0.16 = $30.83

C.
$26.83x + $0.16 = $30.83

D.
$0.16x - $26.83 = $30.83