The table shows how much a company charges for a gardening job. Mrs Tang paid the company $310 for a gardening job. How many hours of gardening did she pay for?
Charges | |
First 4 hours | $130 |
Every additional hour | $30 |
Charges | |
First 4 hours | $130 |
Every additional hour | $30 |
Charges | |
First 4 hours | $130 |
Every additional hour | $30 |
Charges | |
First 4 hours | $130 |
Every additional hour | $30 |
Charges | |
First 4 hours | $130 |
Every additional hour | $30 |