Question 97141
Please show me how to solve this problem. A city received 8.4 inches of rain this year.  This was 70% of the average annual rainfall.  What is the average annual rainfall? 
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Let the average annual rainfall be "x" inches.
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EQUATION:
0.70x = 8.4 inches
x = 8.4/0.70
x = 12 inches ( this is the average annual rainfall )
Cheers,
Stan H.