Question
PSLE
The table shows how much a company charges for a aircon servicing job. Mrs Chau paid the company $490 for a aircon servicing job. How many hours of aircon servicing did she pay for?

  Charges
First 3 hours $190
Every additional hour $60
2 m

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PSLE
The table shows how much a company charges for a aircon servicing job. Mrs Chau paid the company $490 for a aircon servicing job. How many hours of aircon servicing did she pay for?

  Charges
First 3 hours $190
Every additional hour $60