SOLUTION: Ten cups of a restaurnant's house italian dressing is made by blending olive oil costing $ 1.50 per cup with vinegar that cost $.25 per cup. how many cups of each are used if the
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Question 159688: Ten cups of a restaurnant's house italian dressing is made by blending olive oil costing $ 1.50 per cup with vinegar that cost $.25 per cup. how many cups of each are used if the cose of the blend is $.50 per cup Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 1.50X+.25(10-X)=.5*10
1.5X+2.5-.25X=5
1.25X=5-2.5
1.25X=2.5
X=2.5/1.25
X=2 CUPS OF $1.50 OLIVE OIL IS USED.
10-2=8 CUPS OF $.25 VINEGAR IS USED.
PROOF:
1.5*2+.25*8=5
3+2=5
5=5
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