The table shows how much a company charges for a aircon servicing job. Mrs Ee paid the company $380 for a aircon servicing job. How many hours of aircon servicing 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 |