Kyle has a bag of red, green, and blue marbles. He asks Linda to draw a marble without looking in the bag, record its color, and replace it. She draws 20 times with these results: 7 red marbles, 9 green marbles, and 4 blue marbles. What is the experimental probability of drawing a red marble? Write your answer as a fraction (in simplest form), decimal, and percent.
Pls pls answer
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