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The number of eighth graders in choir is three times the number of seventh graders. If there are 48 eight graders in choir, how many seventh graders are in choir?

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Answer:

16

Step-by-step explanation:

Let's say the number of 8th graders is x, and the number of 7th graders is y.

x=3y

We know that there's 48 8th graders, so

48=3y

48/3=16, so there are 16 7th graders.

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