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22-03-2018
Mathematics

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An airplane's altitude changed -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?

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MsEHolt MsEHolt

01-04-2018

The average change in altitude was -54 ft/minute.

We find the average by dividing the total change by the amount of time it takes; -378/7 = -54.

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