Plz help me out I’m confused 25 points

Mr. vasquez determines that the area of a bathroom is in his house is 25 square feet less than one-fifth of the area of the living room if the bathroom measures 35 square feet what is the area of the living room

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )