20 of the students would be 6th graders, hope that helps!
4% of 50000
(4/100) * 50000
2000
Ninety-eight minus seventy-eight, times eleven.
Answer is 220
1 7/9 cans of paint (technically 2 cans, since you can't really buy 7/9 of a can of paint)
8+8=16
16/9= 1 and 7/9
sorry if this is wrong, but i hope that helped