PLEASE HELP ME ASAP!!! I NEED SOMEONE REALLY SMART!! (I have asked this question twice and people keep getting it wrong so I included the picture)
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Answer:
Decreased by 50%
Step-by-step explanation:
Original: x / y
Value changed: X * (1-0.75) / y * (1-0.5) = 0.25 x / 0.5 y = 1/2 x / y (50% of original)
Decreased by 50%