Answer:
Ban has 9,000
Michel has 27,000
Bob has 36,000
Explanation:
BA: MI: BO
1: 3: 4 (1+3+4 = total number)
BA: of 72,000 (72,000 ÷ 8 x 1) = 9,000
MI: of 72,000 (72,000 ÷ 8 x 3) = 27,000
BO: of 72,000 (72,000 ÷ 8 x 4) = 36,000
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