Problema Solution
A crew will arrive in one week and began filming the city for a movie. The mayor is desperate to clean the city streets before filming begins. Two teams are available,one that requires 500 hours and one that requires 300 hours to clean. If the teams work together, how long will it take to clean all of the streets?
Is this enough time before the cameras began rolling.
It will take ____hours to clean the streets.
Answer provided by our tutors
given ,
Two teams are available,one that requires 500 hours and one that requires 300 hours to clean
so , If the teams work together it can be finished in 500 +300 /2 = 400 hours
400 hrs = 400 / 24 days = 16.67 days > 1 week
1 week is not enough and streets can be cleand in 400 hrs