Respuesta :
It should take 8 people about 4 hours to clean an auditorium.
8 people clean 4 times faster than 2 people do (2*4 = 8)
so...
16/4 = 4
hope this helps :)
8 people clean 4 times faster than 2 people do (2*4 = 8)
so...
16/4 = 4
hope this helps :)