SOLUTION: One third of the Earth's land surface is desert. There are 50 million square kilometers of desert. Find the total number of square kilometers of land surface.

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Question 234229: One third of the Earth's land surface is desert. There are 50 million square kilometers of desert. Find the total number of square kilometers of land surface.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
50/(1/3)=50*3/1=150 million sq km