Ten gallons of a 25% salt solution are to be obtained by mixing a dilute 13% salt solution and a concentrated 33% salt solution. Using x to represent the amount of dilute solution, what numbers and/or variables should go in Box B? 0.33
0.13x
x - 10
x
None of the above.

-2 is the right

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: