need equation for algebra word problem

Question

Hannah worked 44 hours last week. She receives time and a half for all hours worked over 40 hours. Her total Pay was $690. How much did she make in an overtime hour?

Answer 1

40 * p + 4 * (1.5 * p) = 690

Solve for p

Your answer will be 1.5 * p

Answer 2

equation 1: 40 hours * pay per hour + 4 hours * pay per overtime hour = 690 dollars

 

equation 2: pay per hour = pay per overtime hour * 1.5 hour

 

Solve by :

 

substituting "pay per hour" in equation 1 from equation 2. 

solve for "pay per overtime hour" in equation 1.

Circle the answer with units for "pay per overtime hour"