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Mathematics 9 Online
OpenStudy (pedro):

If Niagara Falls eroded three feet over the last three years, how many feet does it erode each year?

OpenStudy (anonymous):

a foot

OpenStudy (anonymous):

lol.

OpenStudy (anonymous):

1 foot lol 3/3

OpenStudy (king):

1 foot

OpenStudy (anonymous):

1 foot

OpenStudy (kira_yamato):

Assuming no change in the rate of erosion, 1 foot

OpenStudy (anonymous):

1 foot

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