Mia’s dad has an OzMobe mobile phone plan with the following cost:
- a standard call costs 80c per minute
- sending a text to another OzMobe mobile costs 5c
- sending a a text to any othe mobile phone costs 10c
- sending a photo costs 45c
Calculate Mia’s dad’s total mobile phone cost for January , if:
- he makes 100 standered calls
- the average length of each phone call is 2 minutes
- he sends 50 texts, of wich 15 are to OzMobe mobile phones
- he sends only two photos