Translate the sentence into an equation. Twice the difference of a number and 3 equals 8.
Use the variable w for the unknown number.

your answer is the frist one

hop i

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:

combine all like terms then its just a 2 step equation

x:       y:  

-1         4

0         4

1         6

2         18

3         20