Friday

December 19, 2014

December 19, 2014

Posted by **steve** on Sunday, June 24, 2007 at 5:22pm.

let bill drive 30 mile (1/2 time unit of sideroads, one time unit on freeway)

Distance are the same

distance sideroad= distance freeway

v*time= (v+ 7)time/2

or divide thru by time

v= v/2+3.5

solve for v the speed on the freeway.

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