The table shows how much a company charges for a cleaning job. Mrs Yang paid the company $350 for a cleaning job. How many hours of cleaning did she pay for?
Charges | |
First 3 hours | $150 |
Every additional hour | $40 |
Charges | |
First 3 hours | $150 |
Every additional hour | $40 |
Charges | |
First 3 hours | $150 |
Every additional hour | $40 |
Charges | |
First 3 hours | $150 |
Every additional hour | $40 |
Charges | |
First 3 hours | $150 |
Every additional hour | $40 |