Problem 32 of 7
Verify whether the table 200, 160, 144, 136.8 has constant percent change.
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compare ratios over equal intervals.
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Values must be ordered over equal input intervals.
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Solution
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1. Divide each output by the previous output.
2. Compare the ratios.
3. Constant ratio means constant percent change.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using differences to prove percent change.