SOLUTION: alice, barbara and carol chip in for a $200 punch bowl for their mother. barbaras share is one and a half times alice's share and carol's share is $60. how much money did alice con

Question 816051: alice, barbara and carol chip in for a $200 punch bowl for their mother. barbaras share is one and a half times alice's share and carol's share is $60. how much money did alice contribute toward the present?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
a + b + c = 200
b = (3/2)a
c = 60
a + b = 200 - c
a + b = 200 - 60
a + b = 140
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a + b = 140
a + (3/2)a = 140
(2/2)a + (3/2)a = 140
(5/2)a = 140
a = 140(2/5)
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Answer:
a = $56
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