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  Printable Version of Word Problems
 
 
 

1. Mark the units or information you are given in Green.

Mark the units or information you are looking for in Red. 
Mark the connecting words with Blue. 
 
2. Draw a diagram of the relationship. 

 
3. Find the equation that matches the given units with the units you are looking for.  (Note:  Sometimes units must be converted in the beginning.) 

 

To find a flow in a drop test.  Place a ruler on the wall of the filter.  Suppose the water drops 27" in 15 seconds.  The filter is 10' wide by 12' long.  What is the flow equal to in gpm, cfs, and mgd?  (gpm = gallons per minute;  cfs = cubic feet/second; 
mgd = million gallons/day.) 
 
 
 

Givens:  12' long
               10' wide
               27" drop in 15 seconds
 

*Conversion of 27": 

What you are looking for:  gpm
                                             cfs
                                             mgd

Example Problems Using Information Needed