a plane left 30 min late than its scheduled time in order to reach the destination 1500km away in time it had to increase its speed by 100km/h from the usual speed. find its usual speed
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1500/x=t
1500/x+100=t/2
From abv equations
We get 2x=x+100
Therfore original speed is 100kmph
1500/x+100=t/2
From abv equations
We get 2x=x+100
Therfore original speed is 100kmph
tigerraj01:
I think now you understand
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