C.35%
If you divide the number of hearts drawn by the number of total draws you get your answer.
14/20=0.35
3x : 2 = 15
3x = 15 * 2
3x = 30
x = 30 : 3
x = 10
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3(10) :2 = 15
9^3 is 729 so x^3 = 512 and you find it to be 8
