Petra wants to buy a skateboard. the skateboard deck usually costs $37.50, but it is on sale for 20% off. if the sales tax rate is 5.2%, how much will petra pay for the skateboard deck in all?

Aliaa is skating down a ramp. the wheels on her skateboard have diameters of 60 \text{ mm}60 mm60, space, m, m. what is the distance aliaa travels when her skateboard wheels make 202020 revolutions? round your answer to the nearest \text{mm}mmm, m.