Question 1027488
y=1350
y-.2y=1,080
1,080-.2*1,080=864
z=percent of 1350 that equals 864
1350z=864
z=864/1350
z=.64
.8y=1,080
.64y=864

 x=number of days after September second 
1350*.8^x
1350*.8^(5)=442.368
The attendance on September seven would be four hundred forty two people.