A consumer cooperative evaluated member voting turnout over three biennial elections: Year 1 = 18,000 voters; Year 3 = 21,600 voters; Year 5 = 25,920 voters. By what constant percentage did voter participation grow in each successive election cycle?

Answer and explanation

Correct answer: D. 20%

  1. Step 1: Check growth from Year 1 to Year 3: . Step 2. Check Year 3 to Year 5: . Answer: 20%. Why not the others: would yield 19,800 in Year 3; would yield 20,160; would yield 20,700.

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