T Takitia New member Joined Jul 11, 2007 Messages 18 Jul 12, 2007 #1 is this correct? A bicyclist rode into the country for 5h. In returning, her speed was 5mi/h faster and the trip took 4 h. Waht was her speed each way? d=r.t 5hx5mi/hx4h
is this correct? A bicyclist rode into the country for 5h. In returning, her speed was 5mi/h faster and the trip took 4 h. Waht was her speed each way? d=r.t 5hx5mi/hx4h
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Jul 13, 2007 #2 The distance is the same each way, therefore, we have the equation: d=rt \(\displaystyle \L\\5r=4(r+5)\) Solve for r.
The distance is the same each way, therefore, we have the equation: d=rt \(\displaystyle \L\\5r=4(r+5)\) Solve for r.
