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Systems of equations word problems

Yochanan walked from home to the bus stop at an average speed of 55 km/h\text{km/h}. He immediately got on his school bus and traveled at an average speed of 6060 km/h\text{km/h} until he got to school. The total distance from his home to school is 3535 kilometers, and the entire trip took 1.51.5 hours.
How many kilometers did Yochanan cover by walking, and how many kilometers did he cover by travelling on the bus?
Yochanan walked
kilometers and traveled
kilometers on the bus.