In a race that consist of three parts, the cycling 12 1/2 miles long, the running part of the race was 1/4 the distance of cycling, the kayaking is 1/2 the distance running. what is the entire distance in miles of the race

Entire distance is
25/2(1+1/4+(1/4*1/2))
=25/2(1+1/4+1/8)
=25/2(8/8+2/8+1/8)
=25/2(11/8)
=275/16
=17 3/16 miles  [assuming you need fractions as answers]

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