R = 1/3B
G = 5B
R + G + B = 508.26
Substitute 1/3B for R and 5B for G in the second equation and solve for B.
A blue rope is three times as long as a red rope. A green rope is 5 times as long as the blue rope. If the total length lf the three ropes is 508.26 meters, what is the length of the blue rope?
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