A jar contained 18 red marbles, 14 green marbles, and 20 blue marbles. A marble was selected at random, the color was recorded, and the marble was placed back in the jar. The table shows the results after 60 trials.
What was the relative frequency of selecting a blue marble?
Enter your answer rounded to the nearest percent in the box.
Outcome Number of times outcome occurred
Red 22
Green 18
Blue 20