The equation \(40w + 12.50 = 492.50\) represents the situation where Nikayah paid $492.50 for ballet classes, consisting of a $40 registration fee and $12.50 for each week she was enrolled in the classes.
To solve for \(w\) (the number of weeks), we would rearrange the equation:
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Subtract the registration fee from the total cost: \[ 40w = 492.50 - 12.50 \ 40w = 480 \]
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Divide by 40: \[ w = \frac{480}{40} \ w = 12 \]
So, the correct response is:
Nikayah paid $492.50 for ballet classes. She paid a $40 registration fee and $12.50 for each week she was enrolled in the classes. Solve for w to find the number of weeks Nikayah was enrolled in ballet classes.