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If roman is 25kg but john is 5kg less than 3 times roman's height

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Mariamikaylaviz
[tex]Roman \to 25kg \\\\ John\to 3*Roman's \ weight -5kg \\\\ John=3*25kg-5kg \\\\ John=75kg-5kg \\\\ \boxed{John's \ weight \to 70kg}[/tex]
Mlcparra16viz
We have the weight of Roman as 25kg so:
John's Weight = 3(25) -5 = 75 - 5 = 70kg