You can put this solution on YOUR website! if 6 winkels and 3 wonkels cost the same as 9 wonkels and 3 winkels what would 100 wonkels cost
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6win + 3won = 9won + 3win
6won = 3win
won = (1/2)win
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Multiply both sides by 100 to get:
100won = 50win
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Cheers,
Stan H.