Answer:
Step-by-step explanation:
1 what?
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If 1 kilogram =
4/9 = 2 dollars
4 kilograms = 18 dollars
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1 kilogram is 9/2 dollars
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If 1 dollar =
4/9 = 2 dollars
4/18 = 1 dollar
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2/9 kilogram is a dollar.
