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?

For 15 points

Find how much 20% is by setting up a proportion:

Cross multiply:

Divide both sides by 100 to isolate x:

Now because it says the new packaging contains 20% more, you add 3.9 ounces to 19.5 ounces.

Your answer is 23.4 ounces.