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An herbalist has 30 oz of herbs costing $2 per ounce. how many ounces of herbs costing $1 per ounce should be mixed with these...Question
An herbalist has 40 oz of herbs costing $4 per ounce. How many ounces of herbs costing $1 per ounce should be mixed with these 40 oz of herbs to produce a mixture costing $2.20 per ounce?
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Answers
Reiny
number of ounces of $1 stuff --- x
4(40) + 1(x) = 2.2(40+x)
solve for x, you should get x = 60
4(40) + 1(x) = 2.2(40+x)
solve for x, you should get x = 60