810
count the number of hours they played which should be 13 hrs and 30 mins,
then since every hour is 60 mins multiply 60 by 13 and then add 30
A. 0.80(3c)
B. 2c-0.20(3c)
C. 3(c-0.20c)
I'm 100% sure that these are the answers. <span>♡</span>
The answer for 6 is -6,1/6