If you know the answer write with explination if you don't know don't answer

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Can any one me with the answers to these questions asap?

Find the area of a parallelogram with base 15 yards and height 21 2/3