SOLUTION: How much orange juice at 42� a liter should be mixed with grapefruit juice worth 32� a liter to make 200 liters of a mixture worth 36� a liter? If x represents the amount of or

Question 629563: How much orange juice at 42� a liter should be mixed with grapefruit juice worth 32� a liter to make 200 liters of a mixture worth 36� a liter?
If x represents the amount of orange juice used, then which of the following expressions represents the total cost of the grapefruit juice used?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

How much orange juice at 42� a liter should be mixed with grapefruit juice

 worth 32� a liter to make 200 liters of a mixture worth 36� a liter? 

  .42x + .32(200-x ) = .36� 200   |solve for x, mulitiplying 1st thru by 100 if you like 

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