Asked by jenn
Cashew nuts are sold at $15.00/kg. Walnuts are sold at $12.00/kg. What quantities of each nut would a store owner put into a 100-kg barrel so that it could be sold for $13.20/kg?
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15.00c+12.00w= 31.20
C+w= 100
Are these equations right?
----------------
15.00c+12.00w= 31.20
C+w= 100
Are these equations right?
Answers
Answered by
Henry
15c + 12w = 13.20*100 = 1320.
Eq1: 15c + 12w = 1320.
Eq2: C + W = 100.
Multiply both sides of Eq2 by (-15) and add the Eqs.
Remember that C and W are in KGs.
Eq1: 15c + 12w = 1320.
Eq2: C + W = 100.
Multiply both sides of Eq2 by (-15) and add the Eqs.
Remember that C and W are in KGs.
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