A oreos says that now it contains 20% more. Originally, it came with 19.5 ounces of oreos . How much oreos does the box come with now?

Please answer for 15 points

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

What is always true when two whole numbers are subtracted?