Answer:
<u />
<u> ounce</u> more is needed.
Step-by-step explanation:
Given:
A nurse is to give the liquid medicine 3 times a day. The morning dose is 3/4 ounce, the noon dose is 1/2 ounce and the evening dose is 3/4 ounce. The nurse has 1 ounce of medicine at noon.
Now, to find the dose more is needed.
In the noon the dose is
needed.
As, given the nurse has 1 ounce of medicine at noon.
Thus,


ounce.
Remaining dose = 
And in the evening dose is 3/4 ounce.
Now, we subtract the remaining dose from the dose of evening:


ounce.
Therefore,
ounce more is needed.