In Bill the Boring's dryer there are 14 black shirts, 3 gray shirts, and 6 black sweaters. But, there are no gray sweaters. Bill is going to take one of these pieces of clothing out of the dryer at random to check if his clothes are completely dry. What is the probability that the piece of clothing Bill takes out is gray or is a sweater? Do not round intermediate computations, and round your answer to the nearest hundredth. (If necessary, consult a list of formulas.)

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