Answer:
K = 10
L = 6
M = 14
B
Explanation:
30 students
1/3 of 30 at K = 1/3 times 30 = 30/3 = 10
1/5 of 30 at l = 1/5 times 30 = 30/5 = 6
10+6 = 16
Remaining at M = 30-16 = 14
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