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There are 70 students in a school band . 40% of them are sixth graders , 20% of them are seventh graders , and the rest are eighth graders . what percentage of the band members are eighth graders?

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eesha399

Answer:

40% of the band members are eighth graders.

Step-by-step explanation:

There can only be a total of 100%.  The problem already gives us the percentages of sixth graders and seventh graders, and it tells us that there are only eighth graders left.  Subtract the sum of 40 and 20 from 100 to get your answer.

100% - (40% + 20%) = 40%

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