Package Deal - what to choose

The parents decided to purchase a mobile phone for their son. They choose from the menu:

« Correct result

Wrong answer

Which offer is best?

Step-by-step explanation:

A=20/2.25=8.8888 min/Eur B=30/3.60=8.3333 min/Eur C=45/5.84=7.705 min/Eur A>B>C 

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