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The total mass of 6 bottles of milk and 9 bottles of apple juice was 3.3 kg. The total mass of 3 bottles of milk and 4 bottles of apple juice was 1.56 kg. Find the mass of a bottle of apple juice in kilograms.​

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Answer:

6m + 9a = 3.3---->3m + 4.5a = 1.65

3m + 4a = 1.56--->3m + 4a = 1.56

-----------------------

.5a = .09

a = .18

The mass of a bottle of apple juice is .18 kilograms.

User Pat Myron
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