For this case what we must do is find the unit rate of grams of fat for every tablespoon of the powder.
We have then:

Substituting values we have:

Then, rewriting we have:

Answer:
There are
grams of fat are there for every tablespoon of the powder
This is what I did
45-5=40
40÷4=10
so there are 10 white marbles
but am not sure is just a question that am not sure