Alec bakes spherical rolls of bread. Each roll is about 8cm wide.
What is the approximate volume of each roll? Use 3.14 to
approximate 7.

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:

i those same problems in math and dont know how to do them