20 of the students would be 6th graders, hope that helps!
Answer:
well yes, but no
Step-by-step explanation:
we can post other things than math but we shouldn't post it in the math forum
310 - 220 = 90
90/310 = x/100 (cross multiplication)
9000 = 310x
9000/310 = x
x = around 29%
It’s be because I took that same answer and I know it’s b so yeah