Help i don't understand this:/

Okay I feel like I understand this. :)

Step-by-step explanation:

So like in number one the x's on top, you would subtract 5-3 and you would do it for all of the x's Hope you understand. For the negatives, let's say for example it was -5+3, you would subtract 5-3 and get 2 right? then you would see which one is bigger than 5 is bigger, so you would put -2. :)

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Step-by-step explanation:

for the points! : )

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: