Question
The total mass of Justin and Luke is 60.1 kg. The total mass of Luke and Glen is 55.9 kg. If the total mass of Justin and Glen is 67 kg, find the mass of Glen.
4 m

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The total mass of Justin and Luke is 60.1 kg. The total mass of Luke and Glen is 55.9 kg. If the total mass of Justin and Glen is 67 kg, find the mass of Glen.