How many pounds of coffee worth $1.44 a pound should be mixed with 20 pounds worth $1.80 a pound to produce a mixture worth $1.56 a pound? 3. How much water must be added to 20 ounces of a 15% solution of argyrol to reduce it to a solution that is 10% arg
PrinceDunkinHow many pounds of coffee worth $1.44 a pound should be mixed with 20 pounds worth $1.80
a pound to produce a mixture worth $1.56 a pound?
3. How much water must be added to 20 ounces of a 15% solution of argyrol to reduce it to a
solution that is 10% argyrol?
13 years ago
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