Ellen gets paid $18 per hour for the first 8 hours she works each day. she earns 1.5 times her hourly pay rate for time she works over 8 hours each day. ellen worked from 8am to 8: 30 pm on friday and took a 1-hour unpaid lunch break. how much money did ellen earn for the time she worked on that day? show and explain all of the steps you used to determine your answer.