Mathematics, 10.06.2020 17:57 Jhertz
An aeroplane covers a distance of 1500km in a certain time at a certain speed. After increasing the speed by 100km/hr, it covers the same distance in a time which is half an hour less than the previous time. Find the previous speed of the aeroplane.
this is from quadratic equations CBSE grade 10
please answer ASAP
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