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victus00 [196]
3 years ago
14

the mean weight of 8 girls is 55kg and the mean weight of a group of boys if 52kg. the mean weight of all the students is 53.2kg

. how many boys are there?
Mathematics
1 answer:
Amanda [17]3 years ago
6 0
Add 55kg and 52 kg and 53.2 kg and divide by 8 and that will give you your answer
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Answer:

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Step-by-step explanation:

4 0
2 years ago
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alisha [4.7K]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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