A train covers a distance of 600 km atx km/h. Had the
speed been (x +20) km/h, the time taken to cover the
distance would have been reduced by 5 hours. Write
down an equation in rand solve it to evaluate x.
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Step by step explanation
Just have spd 1*time 1=spd 2*time 2
And just equalate
For clear idea look into pic
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