SOLUTION: A man travels 216 km in 3 hours,how long will he take to go 612 km at that speed?

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Question 727040: A man travels 216 km in 3 hours,how long will he take to go 612 km at that speed?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
His rate is +216%2F3+ km/hr
+216%2F3+=+72+ km/hr
+d+=+r%2At+
+612+=+72%2At+
+t+=+612%2F72+
+t+=+8.5+
Her takes 8.5 hrs