Four girls and six boys are in a Spanish club. Three of the people will be chosen at random to represent the group in a photograph.What is the probability that one girl and two boys will be chosen?

There are 4 ways to choose one girl and 15 ways to choose two boys, giving 4 × 15 = 60 favorable groups. The total number of ways to choose any 3 people from 10 is 120. Thus the probability is 60/120 = 1/2 = 50%, so the answer is B, 50%.

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