Mrs. Harrison used 16 ounces of dark chocolate while baking. She used 2/5 of the chocolate to make
some frosting and used the rest to make brownies. How much more chocolate did Mrs. Harrison use
in the brownies than in the frosting?
Assuming you want you answer is ounces -
2/5 of 16 (the amount of chocolate she used in frosting) is 6.4. So she used 6.4 ounces in the frosting.
16 - 6.4 (the amount she used in the brownies) is 9.6. We are now trying to find the difference of these two numbers, which is 3.2
So 3.2 is the answer.
Hope this helped!