Ineed i dont understand any of it.

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles