SOLUTION: Road A is twice as long as Road B. Road C is 3.5 km shorter than three times the length of Road B. If the total length of the three roads is 47.5 km, Which road is the longest?

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Question 1054035: Road A is twice as long as Road B. Road C is 3.5 km shorter than three times the length of Road B. If the total length of the three roads is 47.5 km, Which road is the longest?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!



Substituting,




So then,


and
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