Respuesta :

Answer:

35 hrs

Step-by-step explanation:

Total earnings = hourly wages + tips

                         = ($6.25/hr)x     + $42.25    = $261

Solve for  ($6.25/hr)x by subtracting $42.25 from both sides:

($6.25/hr)x = $218.75

Find x, the number of hours J. worked, by division:

         $218.75

x = ----------------- = 35

          $6.25

J. worked 35 hours.