Answer:
8 janitress : 6 hours = 24 janitress : 18 hours
8 × n = 8n
6 × 24 = 144
144 ÷ 8n = 18
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Answer:
8 janitress : 6 hours = 24 janitress : 18 hours
8 × n = 8n
6 × 24 = 144
144 ÷ 8n = 18