Um we need to see the diagram in order to answer this question sorry...but have a good day :)
B.)10 inches
----------------
you need to plug in 10
----------------
thats if you don't know what to do
---------------
the easy way
17/4 as a mixed fraction would be 4 1/4
For the first 25 If they all share 25 pounds to a pound each the second I don’t understand