Answer:
of a box of candy your friend eat.
Explanation:
Given:
You and your friend are going to some candy.
You eat 3/4 of a box of candy.
Your friend eats 1/2 as much as you do.
Now, to find that how much of a box of candy does your friend eat.
Quantity of a box of candy you eat =

Quantity of candy your friend eat =

Now, to get how much the candy your friend eat we multiply 1/2 and 3/4:
=

=
.
Therefore,
of a box of candy your friend eat.