Question

If (in one month) I make a total of 10 hours of calls at standard hours, how much more or less will I pay for a basic contract than for premium?

Answer 1

Answer:

36 is the required answer...

Explanation:

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Answer 2

Answer:

More, by 22

Explanation:

This corresponds to 7 hours (the excess over the free hours) times $6.00, plus the monthly charge of $15, so a total of $57 for a Basic contract; against the monthly charge of $35 only for a Premium contract; so a difference of $22.