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The mean mass of five men is 76 kg. The masses of four of the men are 72 kg, 74 kg, 75 kg and 81 kg. What is the mass of the fifth man

The mean mass of five men is 76 kg. The masses of four of the men are 72 kg, 74 kg, 75 kg and 81 kg. What is the mass of the fifth man
asked 22.5k views
5 votes
The mean mass of five men is 76 kg. The masses of four of the men are 72 kg, 74 kg, 75 kg and 81 kg. What is the mass of the fifth man

asked
User Drtf
by
8.1k points

2 Answers

6 votes
(72+74+75+81+x)/5=76
x=(76.5)-302
x=380-302=78
answered
User Shontae
by
8.9k points
3 votes

Answer:

78kg

Explanation:

76×5= 380kg

380-72-74-75-81= 78kg

answered
User Taleodor
by
7.9k points
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