Answer:
1/2 cup
Step-by-step explanation:
The amount remaining is ...
(3/4) +(3/8) -(5/8) = (3/4) +(3/8 -5/8) = 3/4 -2/8
= 3/4 -1/4 = 2/4
= 1/2
1/2 cup is left in Luna's glass.
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We have reduced the fractions in the above as follows:
2/8 = 1/4
2/4 = 1/2
