SOLUTION: If a dental survey of 360 students at RPHS revealed that 135 of them had two or more cavities. If the total school enrollment is 1250, about how many students would you expect to h

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Question 392594: If a dental survey of 360 students at RPHS revealed that 135 of them had two or more cavities. If the total school enrollment is 1250, about how many students would you expect to have two or more cavities?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
Let x represent the number out of 1250 expected to have two or more cavities
Question Sets Up the Proportion
|solving for x by cross multiplying
360x = 135*1250
x = 135*1250/360
x = 469,number out of 1250 expected to have two or more cavities

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