Matematika Sekolah Dasar Jacob drove to see his parents on weekends. He took 2 hours to cover 1 5 of the journey. He covered the remaining 800 km in 2 hours. What is the average speed of Jacob for the whole journey?

elifunkulv – April 11, 2023

Jacob drove to see his parents on weekends. He took 2 hours to cover
1
5
of the journey. He covered the remaining 800 km in 2 hours. What is the average speed of Jacob for the whole journey?

distance

= ⁵/4 × 800

= 1000 km

total time

= 2 + 2

= 4 hours

average speed

= distance ÷ time

= 1000 ÷ 4

= 250 km/h ✔️

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