Part B
Let x represent the number of times you'd expect a three to be drawn out of a total of 260 draws. Using the ratio from part A write a proportion
you can use to solve for X.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.