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216 bytes added ,  15:37, February 17, 2007
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:Thank you!  I didn't think of finding the common values of P and Q using algebra.  Solving the equations with algebra gives the answers for P and Q in dollars.  Should I just take the dollar sign off the number I get for Q and treat that as the quantity sold? ~ [[User:SharonS|SharonS]] 10:30, 17 February 2007 (EST)
 
:Thank you!  I didn't think of finding the common values of P and Q using algebra.  Solving the equations with algebra gives the answers for P and Q in dollars.  Should I just take the dollar sign off the number I get for Q and treat that as the quantity sold? ~ [[User:SharonS|SharonS]] 10:30, 17 February 2007 (EST)
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::Yes, just remove the dollar sign.  There is always a mismatch in units in graphing Price (in dollars) as a function of Quantity (a non-dollar variable)--[[User:Aschlafly|Aschlafly]] 10:37, 17 February 2007 (EST).
    
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== Prior discussion ==
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