Yenan's Journey from Home to School

The video tutorial explains how Yenan travels from home to school, covering a total distance of 35 km in 1.5 hours. It introduces variables W and B to represent the distance covered by walking and by bus, respectively. The tutorial sets up equations based on the given speeds and total time, and then solves these equations to find that Yenan walks 5 km and travels 30 km by bus.

What was Yenan's average speed while walking to the bus stop?

• 5 km per hour

• 15 km per hour

• 10 km per hour

• 3 km per hour

How far is Yenan's home from his school?

• 25 km

• 40 km

• 30 km

• 35 km

What variable is used to represent the distance Yenan walked?

• W

• Y

• X

• B

What is the total time taken for Yenan's journey?

• 2 hours

• 1.5 hours

• 1 hour

• 2.5 hours

How is the time taken for walking calculated?

• Distance divided by speed

• Distance multiplied by speed

• Speed divided by distance

• Speed multiplied by time

What is the speed of the school bus?

• 70 km per hour

• 60 km per hour

• 50 km per hour

• 40 km per hour

What method is used to solve the system of equations?

• Substitution

• Graphing

• Matrix

• Elimination

What is the distance covered by Yenan on the bus?

• 25 km

• 20 km

• 30 km

• 35 km

How many kilometers did Yenan walk?

• 3 km

• 5 km

• 7 km

• 10 km

What is the total distance covered by Yenan?

• 40 km

• 35 km

• 45 km

• 30 km