A plane left 30 minute late than its scheduled time and in order to reach the distinction 1500 km abiay in time it had to increase speed by 100 km/hours from usual speed find usual speed
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Time taken=1500÷100=15
15hours+30 minutes=15.5hours
So actual speed is 1500÷15.5=96.7km/h
15hours+30 minutes=15.5hours
So actual speed is 1500÷15.5=96.7km/h
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