A scooterist completes a certain journey in 10 hours. He covers half the distance at 30 km/hr and the rest at 70 km/hr. What is the total distance of the journey?
I need solution with answer.
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Answer:
420km
Step-by-step explanation:
let the distance covered =2d
according to question
d/30 +d/70 =10
10d/210 =10
d = 210
2d = 420km
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