The table shows how much a company charges for a gardening job. Mrs Zhang paid the company $430 for a gardening job. How many hours of gardening did she pay for?
Charges | |
First 4 hours | $290 |
Every additional hour | $70 |
Charges | |
First 4 hours | $290 |
Every additional hour | $70 |
Charges | |
First 4 hours | $290 |
Every additional hour | $70 |
Charges | |
First 4 hours | $290 |
Every additional hour | $70 |
Charges | |
First 4 hours | $290 |
Every additional hour | $70 |