Your answer would be 12 hours. 0.2 of an hour would be 12 minutes. It’s takes 12 minutes per inch she makes. She wants it to be 60 inches. That would be 60x12 which would be 720. It would take 720 minutes but you need to make this hours so you would divide 720/60 because there are 60 min in an hour. Your answer would be 12 hours