Jim began a 164-mile bicycle trip to build up stamina for a triathlon competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole triptook 6 hours. If Jim walks at a rate of 4 miles per hour and rides at 44 miles per hour, find the amount of time he spent on the bicycle
+37146 x = bike time 6-x = walk time
44x + 4 (6-x) = 164 solve for x (He bikes at 44 mph! Wow! 
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