Final answer:
To find out the number of students in the band, set up a proportion using the given information and solve for x. There are 80 students in the band.
Step-by-step explanation:
To find out how many students are in the band, we can set up a proportion using the given information. Let x represent the number of students in the band. The proportion can be written as: 4/15 = x/300. Cross-multiplying, we get 15x = 4 * 300. Solving for x, we find that x = 80. Therefore, there are 80 students in the band.
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