Question
PSLE
The table shows how much a company charges for a cleaning job. Mrs Ma paid the company $450 for a cleaning job. How many hours of cleaning did she pay for?

  Charges
First 4 hours $270
Every additional hour $60
2 m

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PSLE
The table shows how much a company charges for a cleaning job. Mrs Ma paid the company $450 for a cleaning job. How many hours of cleaning did she pay for?

  Charges
First 4 hours $270
Every additional hour $60