SOLUTION: An herbalist has 30 oz of herbs costing $3 per ounce. How many ounces of herbs costing $2 per ounce should be mixed with these 30 oz of herbs to produce a mixture costing $2.50 per

Question 765583: An herbalist has 30 oz of herbs costing $3 per ounce. How many ounces of herbs costing $2 per ounce should be mixed with these 30 oz of herbs to produce a mixture costing $2.50 per ounce?
oz
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Basic relationship is {money}/{quantity}={moneyperquantity}

h is the number of ounces of the $2 per ounce herbs to use. Adding h increases the amount of money of the blend only because it increases the amount of the blend. The amount h is less price than the given $3 per ounce herbs; so the unit price decreases.
SOLVE FOR h.

____________then just multiply by 4,

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