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In the Olympic triathlon competition, cycling is a long-distance running 4 times the

646,590,8492010-03-08 19:10:35 +0000 #1
in the Olympic triathlon competition, cycling is a long-distance running 4 times, swimming the distance bicycle 3.75%, long-distance running and swimming distance of the difference between the 8.5 km. Seeking a total distance of three.
z2747972662010-03-08 19:18:03 +0000 #2
set up cycling 4x km in length, then swim the length of 15% x 1000 meters, the length of long-distance running is x km.

Total distance: 4x +15% x + x = 515% x

x-15% x = 8.5

85% x = 8.5

x = 10

Therefore, the total distance: 515% x = 515% * 10 = 51.5km
Magic Angel Heart2010-03-08 19:50:02 +0000 #3
Hehe this seems to be a math bar

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