SOLUTION: Petrochemicals worth 6$ per liter are mixed with other chemicals worth 9$ per liter to produce 100 liters of chemical worth $7.65 per liter. How many liters of each are used?
Algebra.Com
Question 167199: Petrochemicals worth 6$ per liter are mixed with other chemicals worth 9$ per liter to produce 100 liters of chemical worth $7.65 per liter. How many liters of each are used?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
9x+6(100-x)=7.65*100
9x+600-6x=765
3x=765-600
3x=165
x=165/3
x=55 liter of $9 cemicals are used.
100-55=45 liters of $6 chemicals are used.
Proof:
9*55+6*45=765
495+270=765
765=765
RELATED QUESTIONS
Mixture of Chemicals
a) Solve using one variable. Petrochemicals worth $6/L are mixed... (answered by josgarithmetic)
How many liters of orange juice worth $1.80 per liter should be mixed with 2.4L of... (answered by josmiceli)
How much orange juice at 45cents per liter should be mixed with grapefruit juice worth... (answered by josgarithmetic)
student working at a refreshment stand mixed cranberry juice at .50 per liter and apple... (answered by josgarithmetic)
Ninety liters of pure maple syrup that costs $8.00 per liter are mixed with imitation... (answered by checkley77)
fifty liters of pure maple syrup that costs $9.50 per liter are mixed with imitation... (answered by stanbon)
college algebra - Fifty liters of pure maple syrup that costs $9.50 per liter are mixed... (answered by stanbon,nerdybill)
How much orange juice at 42 cents a liter should be mixed with grapefruit juice worth 32... (answered by ankor@dixie-net.com)
How much orange juice at 45¢ a liter should be mixed with grapefruit juice worth 35¢ a... (answered by Alan3354)