Heyitsyailin1 Heyitsyailin1 30-12-2016 Mathematics contestada Mark is painting a mural. He paints 1/5 wall in 2/3 hour. what is his rate per hour? A: 3/10 wall per hourB: 3/8 per hour C: 2/5 per wallD: 2/15 per wall Someone please help me