I think it’s (3,4) the third answer
The relationship is proportional because it is in standard form
PART ONE:
To put this information into a fraction you write part over whole:

To change this into a decimal you have to plug in 8÷40 into your calculator:
0.2
PART TWO:
After you subtract 8 from 40, there are 32 fifth graders left.
The fraction will look like this:

To change this into a decimal you have to plug in 32÷40 into your calculator:
0.8
I hope this was helpful!
Sarah has 1 more book than 3 times the number of books Andy has. Andy has 2 books. How many books does Sarah has?
HOPE THIS HELPS! :)
To find the average amount, you must add all of the pieces, let's say you get 3/8. and there is 4 pieces. the average amount would be 3/4. So I this question the average amount of salt would be 9/14 of salt.