Equal amounts of water were poured into two empty jars of different capacities, which made one jar 1/4 full and the other jar 1/3 full. If the water in the jar with the lesser capacity is then poured into the jar with greater capacity, what fraction of the larger jar will be filled with water?
a)1/7
b)2/7
c)1/2
d)7/12
e)2/3
If pouring X liters into the larger jar makes it 1/4 full, then doubling the X liters (by adding the water from the smaller jar) will make the larger jar 2*(1/4) = 1/2 full.
The correct answer is
C.
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