Help... me with this math...if you get it correct u get brainliest

Combined megan and kelly worked 60 hours. kelly worked twice as many hours as megan. how many hours did they each worked?

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

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)