It looks like you need to fill in the rates of movement for different islands from a chart. However, I don't have access to the specific chart mentioned in your question. If you can provide the specific rates for Molokaÿi, Kauaÿi, Midway, and Suiko, I can help you calculate the total and average rate of movement!
Once you provide the rates, the steps to calculate the average would be as follows:
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Add the rates: \[ \text{Total rate} = \text{Rate of Molokaÿi} + \text{Rate of Kauaÿi} + \text{Rate of Midway} + \text{Rate of Suiko} \]
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Calculate the average: \[ \text{Average rate} = \frac{\text{Total rate}}{4} \]
Please provide the rates, and I'll assist you further!