A 4-wheel drive car has travelled 10,000 miles using 5 tyres. All tyres have travelled the same distance. How many miles each tyre has run?
Answer
Each tyre has travelled 8000 miles.
Let the tyre numbers be 1,2,3,4,5
tyre 1234 for 0-2000 miles
tyre 1235 for 2000-4000 miles
tyre 1254 for 4000-6000 miles
tyre 1534 for 6000-8000 miles
tyre 5234 for 8000-10,000 miles