This week, Sarah spent a total of 120 minutes studying. This total was 20 more minutes than 4 times the amount of minutes she studied last week. How many
minutes did Sarah spend studying last week?

Juan earns $11 per hour and works at most 30 hours per week. identify the independent and dependent quantity in the situation, and find reasonable domain and range values. amount of money earned; hours worked; 0 to 30; $0 to $330 hours worked; amount of money earned; $0 to $330; 0 to 30 amount of money earned; hours worked; $0 to $330; 0 to 30 hours worked; amount of money earned; 0 to 30; $0 to $330