he gets 110 points cos if he earned 99 points on his science project, and his grade was 90 then he would've needed 11 more points if he wanted to pass cos if he had gotten 100 points, then he would've received a 92% so in the end, the highest score would've been a 110,
I bet no mod, no matter how dumb it is, no mod, would delete this cos it's an actual answer, if they do delete this, then this website has serious issues, and it needs new mods
I've read all of them carefully.
A calculator won't help you do 1-4. It might be a little bit useful for 5 and 6, but only slightly. If you know your math then you shouldn't have any trouble with those either.