the circumference of the flying disc for the first game is how many centimeters greater than the circumference of the flying disc for the second game, to the nearest centimeter? use 3.14 for pi

the answer to this question is in the pic

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b