Question
PSLE
The table shows how much a company charges for a cleaning job. Mrs Thia paid the company $520 for a cleaning job. How many hours of cleaning did she pay for?

  Charges
First 4 hours $310
Every additional hour $70
2 m

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PSLE
The table shows how much a company charges for a cleaning job. Mrs Thia paid the company $520 for a cleaning job. How many hours of cleaning did she pay for?

  Charges
First 4 hours $310
Every additional hour $70