Risa ( 2/3 Hours )
Kerri ( 1 1/2 Hours)
Risa finished her workout just as kerri started hers. How long did it take from the time Risa started until Kerri finished?
2/3 + 1 1/2
4/6 + 9/6 = 13/6 = 2 1/6 hours
Kerri ( 1 1/2 Hours)
Risa finished her workout just as kerri started hers. How long did it take from the time Risa started until Kerri finished?
4/6 + 9/6 = 13/6 = 2 1/6 hours