x = Her normal hourly rate
She worked 50 - 40 = 10 hours more of her normal hourly rate.
She earned 40 x for her normal hourly rate + 10 ∙ 2 her normal hourly rate
40 x + 10 ∙ 2 x = 660
40 x + 20 x = 660
60 x = 660
x = 660 / 60
x = $11
Alice earns 2 times her normal hourly rate for each hour she works after 40 hours in a week. She worked 50 hours this week and earned $660.
What is her normal hourly rate?
1 answer