Oberon Cell Phone Company advertises service for 10 cents per minute plus a monthly fee of $35.00.

so If Parker’s phone bill for October was $87.50, find the number of minutes he talked.

Answer :

First, subtract the monthly fee from the October bill, which would be $52.50.
Now, divide this by $0.10.
Parker talked for 525 minutes.
Hope this helps! :)

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