Answer :

AL2006
Write the problem:               12ds/w = cd

Divide each side by  'd':        12s/w = c

Multiply each side by  'w' :    12s = cw

Divide each side by  'c' :       12s/c = w

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kate200468
[tex]12ds/w = cd\\\\ \frac{\big{12\cdot d\cdot s}}{\big{w}} =c\cdot d\ /\cdot w\\\\\frac{\big{12\cdot d\cdot s\cdot w}}{\big{w}} =c\cdot d\cdot w\\\\12\cdot d\cdot s=c\cdot d\cdot w\ /:(c\cdot d)\\\\\frac{\big{12\cdot d\cdot s}}{\big{c\cdot d}} =\frac{\big{c\cdot d\cdot w}}{\big{c\cdot d}} \\\\\frac{\big{12 s}}{\big{c}} =w[/tex]

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