Expression for the following phrase,"an hourly wageof $13.50 plus $75 bounes

Earnings (total) = $75 (bonus) + wt, where w are the hourly wages (a unit rate) and t represents the number of hours worke.

Example: John works 17 hours at $8.90 per hour.

John's wages will be $75 + ($8.90 / hour) (17 hours) = $75 + $151.30.