100 kilometers oily bad news is 5.9, simple for the capacity of oil of journey theory bad news that is 100 kilometers is 5.9L, this data can serve as reference only, with the difference with real oily cost or constant presence.
And the data that goes up according to the problem will calculate, 100 kilometers oily bad news 5.9, so the oily bad news of every kilometer is 5.9/100=0.059L, according to now oil price 6.95 yuan / rise to calculate, the charge of 1 kilometer is 0.059*6.95=0.41 yuan.
Come up from theory cost seeing oil is not particularly high, oily bad news of present family expenses car is commonly between 5-7, be in 7 for the most part in urban travel oily left and right sides, can see so, the oily bad news of 5.9 is in the quadrature in compasses.
The likelihood that buys a car to care most now is the oily bad news of the car, talk about most also is oily bad news, and will look according to present circumstance, oil price is resided all the time do not fall high, if the oily bad news of a car is exorbitant, so the sense that loses ride instead of walk, one foot goes down is money.
Additional the discretion of oily to the car bad news, not be the problem of car itself only, follow driver itself drive habit, road condition is concerned, the likelihood has some of car advocate can discover a such circumstances, rent a friend to leave the car occasionally, the result discovers oily bad news dropped after a few days, and go up to him hand, oily cost rose again after a few days, this drives namely the account with different habit.
The data that still high speed and urban travel reach is different also, run high speed oily bad news may drop substantially, but if be in urban travel, still touch get on a car, so oily bad news can rise sharply, the element of the influence has a lot of.
If want computation to give exact oily waste time, the capacity of bad news oil that can be apart from through recording a paragraph so will reach, cite a case, adding gasoline tank somewhere full, next travel is apart from one paragraph till next gas station, add gasoline tank again full, right now the record added how many oil, thereby OK the oily waste time with exact cipher out.
