The table shows how much a company charges for a cleaning job. Mrs Thia paid the company $510 for a cleaning job. How many hours of cleaning did she pay for?
Charges | |
First 2 hours | $150 |
Every additional hour | $60 |
Charges | |
First 2 hours | $150 |
Every additional hour | $60 |
Charges | |
First 2 hours | $150 |
Every additional hour | $60 |
Charges | |
First 2 hours | $150 |
Every additional hour | $60 |
Charges | |
First 2 hours | $150 |
Every additional hour | $60 |