28 is the answer. if 12 is 15% of a number ,the number is 80. 35% of 80 is 28
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Negative 12 itself is a rational number. It's the ratio of -12 to 1 .
Which of the following is a composite number between 57,47,17,2
X = number. 5/X - 12 ======
12/1
17/12 = 15/12