Question 539973
A NONTOXIC FLOOR WAX CAN BE MADE FROM LEMON JUICE AND LINSEED OIL. THE AMOUNT OF LINSEED OIL SHOULD BE TWICE THE AMOUNT OF LEMON JUICE. hOW MUCH OF EACH INGREDIENT IS NEEDED TO MAKE 33 OUNCES OF FLOOR WAX? LET X REPRESENT THE NUMBER OF OUNCES OF LEMON JUICE AND Y THE NUMBER OF OUNCES OF LINSEED OIL
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Let "x" be ounces of lemon juice.
Then y = "2x" is ounces of linseed oil.
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Then  
Y = 2x 
X + Y = 33 ounces
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Substitute for "Y" and solve for "x":
X + 2X = 33
3X = 33
X = 11 ounces
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Cheers,
Stan H.
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