SOLUTION: One-third of the members on the karate team are in the seventh grade. Of the remaining team members, 50% are in sixth grade, and 12 are in eighth grade. How many students are on th
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-> SOLUTION: One-third of the members on the karate team are in the seventh grade. Of the remaining team members, 50% are in sixth grade, and 12 are in eighth grade. How many students are on th
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Question 184367: One-third of the members on the karate team are in the seventh grade. Of the remaining team members, 50% are in sixth grade, and 12 are in eighth grade. How many students are on the karate team?
Logically I know 36 students: 12- 6th, 12- 7th and 12 8th. I know 1/3n is the 7th and 1/2(2/3N) is the sixth How do I set it up in an equation to solve? Answer by solver91311(24713) (Show Source):
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"I know 1/3n is the 7th and 1/2(2/3n) is the sixth" has all the essential elements of the required equation.
Let n be the total number of karate students. Then is the number of 7th graders. is the number of 6th graders. 12 is the number of 8th graders. And finally, the sum of all three of these expressions must equal n. So:
