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Answered by
2
Answer:
betweem 52 kg and 53kg
Step-by-step explanation:
mean of weight of 5 students = 51kg
the total weights of the five students= 51 x 5 = 255
mean weight of 4 students =54
the total weight of four students = 54 x 4 = 216
add the total weights of 5 and 4 students
255 + 216 = 471
471 diveded by nine
471/9 = 52.33
the answer is 52.33 so ut us between 52 and 53
Answered by
12
Answer:
betweem 52 kg and 53kg
Step-by-step explanation:
mean of weight of 5 students = 51kg
the total weights of the five students= 51 x 5 = 255
mean weight of 4 students =54
the total weight of four students = 54 x 4 = 216
add the total weights of 5 and 4 students
255 + 216 = 471
471 diveded by nine
471/9 = 52.33
the answer is 52.33 so ut us between 52 and 53
Step-by-step explanation:
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