32 is the initial cost
32+.75x=bill
32+.75x=47 .75x=15 x= 20
Vera was 20 minutes over her allowed minutes
Assuming that what you want me to solve is how much she paid for "extra use", the answer is she paid 20 times for the extra charge
47 - 32 = 15
20x .75 = 15
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