A plane left 30 minutes later than its scheduled time and in order to reach the destination 1500 km away in time it had to increase its speed by 100 km/hr from the usual speed. Find its usual speed
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Usual speed = 500km/ hr
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hello friend
please see my last answer
it is your answer...
in maths
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please see my last answer
it is your answer...
in maths
hope it helps your
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See my last second answer in maths
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Atq. 1) t=1500/x. 2) t= 1500/ x+100. , 1500/x+1500/x+100=30/60
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