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Three good friends, a, B and C, rent a taxi together and share the fare, Finally, C one person sit to the end, public pay 90 yuan, please calculate, a, B how much to C Explore: one scheme is to divide the whole journey into sections and share the fare according to the head in the section. The other scheme is to share the fare according to the proportion of the distance taken by the three people in the total journey. Which scheme do you think is more reasonable, just talk about your reasons. Do you have a better scheme?
[it's better to share the fare according to the proportion of the distance taken by each person to the total distance taken by three people]
According to the reason of A. C, the shortest ride is fair
one
A 90 △ 2 × - = 15 (yuan)
three
two
B 90 △ 2 × - = 30 (yuan)
three
C: 90-15-30 = 45 yuan
[this method is the best, because it is the fairest. There is no better solution]
After the spring outing of Xiao Wang, Xiao Ming and Xiao Jun, they take a taxi home from school. They agree that the taxi fee should be shared reasonably. Xiao Wang gets off at 14 places in the whole journey, Xiao Ming gets off at 23 places in the whole journey, and Xiao Jun gets off at the terminal. The total fare is 46 yuan. Please design the sharing scheme of the taxi fee for three people
Xiao Wang: Xiao Ming: Xiao Jun = 14:23:1 = 3:8:123 + 8 + 12 = 23; 46 × 323 = 6 (yuan); 46 × 823 = 16 (yuan); 46 × 1223 = 24 (yuan); answer: Xiao Wang should pay 6 yuan, Xiao Ming should pay 16 yuan, Xiao Jun should pay 24 yuan
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- 2. A, B and C took a taxi, and three people shared the fare according to the distance. A got off at 1 / 3 of the whole journey, B got off at 2 / 3, and C took it all the way to the destination. It cost 90 yuan How much will each party take We need the formula!
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- 8. Xiao Ming went to live in her grandmother's house for seven days, but the calendar hasn't been torn. When Xiao Ming came home and tore up the calendar, he found that the sum of the dates was 42. When did Xiao Ming and his mother go home?
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