Talia gave her hairdresser a 20 percent tip, which amounted to $7. PercentsTotal 100% What was the price of the service before the tip?

The $7 tip is 20% of the service price. Divide $7 by 0.20 to find the full price: $7 ÷ 0.20 = $35. The service cost $35.00 before the tip, so choice B is correct.

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