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The total mass of 4 cartons of milk and 7 bottles of apple juice is 2.38 kg. The total mass of 2 cartons of milk and 3 bottles of apple juice is 1.1 kg.

Find the mass of a carton of milk. Give your answer in kg.


Let The mass cartoon be 'x' The mass of bottle of apple juice be'y' According to the question 4x➕ 7y equals to 2.38.....(1) 2x➕ 3y equals to 1.1........(2) (2)❌ 2 equals to 4x➕ 6y equals to 2.2.....(3) Solving (2) and (3) We get y equal to 0.18 Substitute y in (1) We x equal to 2.8 Therefore mass of cartoon and mass of bottle are 0.18 and 2.8 respectively.
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