AHSME 1970 Problem 21
On an auto trip, the distance read from the instrument panel was miles. With snow tires on for the return trip over the same route, the reading was miles. Find, to the nearest hundredth of an inch, the increase in radius of the wheels if the original radius was 15 inches.
Dataset text NuminaMath-1.5. Quoted with source.
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0.34
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