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Being inventory of 12 sets of paints at a cost of $1.50 each. During the year the store purchased 4 sets at $1.60, 6 sets at $2.20, 6 sets at $2.50, and 10 sets at $3.00. By the end of the year, 25 sets were sold. Caculate the
asked by Jean on December 26, 2012 
math
Marvin Company has a beginning inventory of 12 sets of paints at a cost of $1.50 each. During the year, the store purchased 4 sets at $1.60, 6 sets at $2.50 and 10 sets at $3.00. By the end of the year, 25 sets were sold.
asked by Anonymous on November 17, 2011 
math. Somebody help urgently please
1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 27, 2014 
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1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 27, 2014 
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1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 26, 2014 
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1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
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1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 25, 2014 
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1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 27, 2014 
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1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 27, 2014 
URGENT! discrete math help please
1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 27, 2014 
math help
1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X  Y) ∪ (Y  X) = (X ∪ Y)  (X ∩ Y) Prove the following: for all sets A,B and C, if A  (B ∩ C) = ∅ then A C ⊆ B  for all sets A,B and
asked by Mary on February 27, 2014