Respuesta :
they spend 2 1/2 hours swimming. you would get this by multiplying 1 1/4 by 2.
Answer:
They spent a total of 1 and 1/2 hours swimming.
Step-by-step explanation:
It is because 1 1/4 plus 1 1/4 equals 1 2/4 which mean 2/4=1/2 so in total they spent 1 1/2 hours swimming