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Kay [80]
2 years ago
5

The average height of a class of 18 students is 105 cm After arrival of 7 new students the

Mathematics
1 answer:
lutik1710 [3]2 years ago
3 0

Total number of students = 18 + 7 = 25

Average height of the 25 students = 105 - 5 = 100 cm


Sum of height of all students = 100 x 25 = 2500cm


Answer: 2500cm

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