The table shows how much a company charges for a cleaning job. Mrs Oh paid the company $380 for a cleaning job. How many hours of cleaning did she pay for?
Charges | |
First 3 hours | $240 |
Every additional hour | $70 |
Charges | |
First 3 hours | $240 |
Every additional hour | $70 |
Charges | |
First 3 hours | $240 |
Every additional hour | $70 |
Charges | |
First 3 hours | $240 |
Every additional hour | $70 |
Charges | |
First 3 hours | $240 |
Every additional hour | $70 |