SOLUTION: The ratio of third-year to second-year students at a school is 7 to 8. If there are 256 second-year students, how many third-year students are there?

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Question 392192: The ratio of third-year to second-year students at a school is 7 to 8. If there are 256 second-year students, how many third-year students are there?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

Let x represent the number of third-year students

Question Sets Up the Proportion

7%2F8+=+x%2F256   |cross multiply to solve for x

 8x = 7*256

  x = 7*256/8 = 224, the number of third-year students



CHECKING our Answer

 224/256 = 7/8