I think the answer is letter D.
:) have a good day
0.65 = 65% SO THE ANSWER IS 0.45 or 45%
Well, let's see how it'll effect your grade...
75% ÷ 90% = 0.83
0.83 x 100 = 83%
It would effect your grade by 7 percent, lowering it to 83%
I hope this helps!
First we must set up the problem
(n)+(n+1)+(n+2)=8