$36 for 4 baseball hats; $56 for 7 baseball hats

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

Can someone me and do the problem plz so i can understand it more better

This is about circle theorems. someone asap : (