Answer:
a)Kelly used more than 1/2 of the tank.
b)1/8 more
Explanation:
a)3/4-1/8=5/8
Kelly used 5/8 of a tank.
5/8-1/2=1/8
Since the answer is not a negative Kelly used more than a half of a tank.
b)5/8-1/2=1/8
=1/8
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