# Algebra Word Problems : Relative Speed

Kim starts to walk 3 mi to school at 7:30 a.m. with a temperature of 0 degrees F. Her brother Bryan starts at 7:45 a.m. on his bicycle, traveling 10 mph faster than Kim. They they get to school at the same time, then how fast is each one traveling?

Â© BrainMass Inc. brainmass.com March 4, 2021, 7:43 pm ad1c9bdddfhttps://brainmass.com/math/basic-algebra/algebra-word-problems-relative-speed-118594

#### Solution Preview

Time needed for Kim's brother to arrive at school is 3 mi/10=0.3 (hour)=18 ...

#### Solution Summary

Relative speed is determined in the solution.

$2.49