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Physics, 23.02.2020 16:19 sophiat17

(10. Five pupils have a mean mass of 51 kg.
Three of them have a mass of 49 kg,
53 kg and 52 kg. The fourth pupil is five
kilograms lighter than the fifth pupil.
What is the mass of the:
(a) fourth pupil?
(b) fifth pupil?

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Answers: 3

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(10. Five pupils have a mean mass of 51 kg.
Three of them have a mass of 49 kg,
53 kg and...
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