SOLUTION: to make a potpourri mixture sold at a florist shop 70 oz of a potpourri that is 80% lavander are combined with a potpourri that is 60% lavander. the resulting potpourri is 74% lava

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Question 993090: to make a potpourri mixture sold at a florist shop 70 oz of a potpourri that is 80% lavander are combined with a potpourri that is 60% lavander. the resulting potpourri is 74% lavander. how much potpouri that is 60% lavander is used?
Answer by josgarithmetic(39800) About Me  (Show Source):
You can put this solution on YOUR website!
Let y be the amount of the 60% lavander.
Total volume of the resulting mixture is y+70.

%2880%2A70%2B60%2Ay%29%2F%28y%2B70%29=74


LESSON: Mixture: one material quantity unknown