I am about to start a $27,000$ km trip. I check the specifications of tyres to use to find that each is good for only $18,000$ km. What is the fewest number of spare tyres I need to take so I can make it home without having to buy any more?
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1How many wheels does your vehicle have? – angryavian Aug 15 '15 at 01:16
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Rotation of tyres at a set interval. Im stuck but my answer ive come to is 2 spare or 6 tyres all up – user262154 Aug 15 '15 at 01:25
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Standard car angryavian (4) – user262154 Aug 15 '15 at 01:27
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Where are you trying to go that's 27,000 km? – Aug 15 '15 at 01:30
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You could also rent a car ;) – johannesvalks Aug 15 '15 at 01:30
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I hope people are aware this is a hypothetical. All i need is some help to see if i am doing it right – user262154 Aug 15 '15 at 01:34
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@user262154 What have you done so far? – Aug 15 '15 at 01:39
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Rotating tyres every 5400 but it still over uses two tyres – user262154 Aug 15 '15 at 02:21
2 Answers
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Hint: If using a tyre for one km is a unit we will call a tyre-km, how many tyre-km in your trip?
Luskentyrian
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