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❒ Multiply the numerator and denominator by 




2 / 4 x 100
= .50 x 100
= 50%
Answer:
the answer would be C
Step-by-step explanation:
Step-by-step explanation:
The number of subsets=2ⁿ where n=4 members
2ⁿ=2⁴=16
Number of proper subsets=2ⁿ-1
16-1=15