 
<translate> Hanyoyin hankali: Yana yin dogon tafiya 7 - 4 = 3 days a mako. Saboda haka yana tafiyar 4 * 50 + 3 * 100 = 500 mil a mako. Wannan yana nufin cewa motar ta biya 500 *.1 = $ 50 kawai don nisan mil a mako. Saboda haka ya biya 100 + 50 = $150 a mako domin mota. Wannan yana nufin jimlar kudin motar ita ce 150 * 52 = $7800 a shekara. An bayyana tambayoyin da amsoshin da ke ƙasa. <eng> Stream of consciousness rationale: He does the long drive 7 - 4 = 3 days a week. So he drives a total of 4 * 50 + 3 * 100 = 500 miles a week. That means the car cost 500 * .1 = $50 just for the mileage per week. So he pays 100 + 50 = $150 per week for the car. That means the total cost of the car is 150 * 52 = $7800 a year.
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