SOLUTION: a man mixes candy worth 70 centavos per pound with a candy worth 40 centavos per pound to make 42 pounds of assortment worth 50 centavos per pouns. how much of each kind should be

Question 783343: a man mixes candy worth 70 centavos per pound with a candy worth 40 centavos per pound to make 42 pounds of assortment worth 50 centavos per pouns. how much of each kind should be used ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a man mixes candy worth 70 centavos per pound with a candy worth 40 centavos per pound to make 42 pounds of assortment worth 50 centavos per pouns. how much of each kind should be used ?
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Equation::
value + value = value
40x + 70(42-x) = 50*42
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40x + 70*42 - 70x = 50*42
-30x = -20*42
x = (2/3)42
x = 28 lbs (amt of 40 cent candy needed)
42-x = 14 lbs (amt of 70 cent candy needed)
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Cheers,
Stan H.
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