Mr. X weighs 48.7 kg and Mr Y weighs 4.9 kg less than Mr. X. What is the TOTAL mass of the two men?
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Step-by-step explanation:
Total mass of Mr X and Mr Y will be x+y
=> x = 48.7kg
=> y = x - 4.9kg
=> y = 48.7 - 4.9 = 43.8
x + y = 48.7 + 43.8
= 92.5kg
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