SOLUTION: An herbalist has 15 oz of herbs costing $3 per ounce. How many ounces of herbs costing $2 per ounce should be mixed with these 15 oz of herbs to produce a mixture costing $2.20 per

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Question 1164910: An herbalist has 15 oz of herbs costing $3 per ounce. How many ounces of herbs costing $2 per ounce should be mixed with these 15 oz of herbs to produce a mixture costing $2.20 per ounce?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Compare the cost.

x ounces of the $2 per ounce herb
3%2A15%2B2%2Ax=2.2%28x%2B15%29
Do you understand this equation?
If so, good. Solve for x.