Question

Yochanan walked from home to the bus stop at an average speed of 55 \text{km/h}km/h. He immediately got on his school bus and traveled at an average speed of 6060 \text{km/h}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?

Answer 1

Answer:

5km by walking

30km by travelling

Step-by-step explanation:

Formula to use

total distance  = distance1 + distance 2

distance = speed x time

distance1 = 5 * x

distance 2 = 60 * (1.5-x)

35 = 5x + 90 - 60x

35 -90 = -55x

-55 = -55x

x = 1 hour

number of km Yochanan cover by walking = 5 * 1 = 5km

number of km Yochanan cover by travelling on bus  = 60 * (1.5-1) = 30km

Answer 2

Answer:

21

Step-by-step explanation:

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