# SOLUTION: a spice mixture is 25% thyme.How many grams of thyme must be added to a 12 g. of mixture to increase the thyme content to 40%?

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 Click here to see ALL problems on Mixture Word Problems Question 393541: a spice mixture is 25% thyme.How many grams of thyme must be added to a 12 g. of mixture to increase the thyme content to 40%?Answer by stanbon(60778)   (Show Source): You can put this solution on YOUR website!a spice mixture is 25% thyme.How many grams of thyme must be added to a 12 g. of mixture to increase the thyme content to 40%? --------------- Equation: thyme + thyme = thyme 0.25x + 1.0(12-x) = 0.40*12 --- Multiply thru by 100 to get: 25x + 100*12-100x = 40*12 -75x = -60*12 x = 9.6 g (amt of 25% mixture needed in the final mix) 12-x = 2.4 g (amt of pure thyme needed in the final mix) =============== Cheers, Stan H.