contestada

Please hurry!!!!!!
At a concert, there were 200 people in the crowd when the band
vent on, 400 people after the first hour and 800 when the band
inished after 2 hours.
Which of the following represents the growth of the crowd during the
show?

Please hurry At a concert there were 200 people in the crowd when the band vent on 400 people after the first hour and 800 when the band inished after 2 hours W class=