Job Recruitment Website - Property management - The total electricity bill for one month is 75 yuan. One person stayed for 10 days, one person stayed for 15 days, and the other five people stayed for 30 days. Ask these people what they want.
The total electricity bill for one month is 75 yuan. One person stayed for 10 days, one person stayed for 15 days, and the other five people stayed for 30 days. Ask these people what they want.
75÷30= 2.5 yuan every day.
2.5÷7= 0.36 yuan per person per day, which has 10 days.
2.5÷6= 0.42 yuan per person for five days per day.
2.5 ÷ 5 = 15 days per person in 0.5 yuan every day.
Check-in 10 days: 0.36× 10=3.6 yuan.
Check-in 15 days: 0.36× 10+0.42×5=5.7 yuan.
The other five people: 0.36×10+0.42× 5+0.5×15. = per person 13.2 yuan.
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