SOLUTION: The bus left the school for the camp at 6:00AM. Fifteen minutes later, a student arrived in school and tried to chase the bus in their car. If the bus was traveling at 60kph, how

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Question 1192492: The bus left the school for the camp at 6:00AM. Fifteen minutes later, a student arrived in school and tried to chase the bus in their car. If the bus was traveling at 60kph, how fast should the car travel if they wanted to catch up with it in 30 minutes? Solve using algebra.

Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
The bus already traveled 15 kilometers when the student began travel from the school to cacthup to the bus. The student wants to close that distance in half-hour (thirty minutes), at some speed r-60.
%28r-60%29%281%2F2%29=15

r-60=30

r=90