jayden5robinson jayden5robinson 11-11-2020 Mathematics contestada Kelly is knitting a scarf for her brother. It took her 2/3 hour to knit 5/6 foot of the scarf. How fast is Kelly's knitting speed, in feet per hour? A) 1 1/4 feet per hour B) 5/9 feet per hour C) 4/5 feet per hour D) 1 4/5 feet per hour