Problema Solution
an aeroplane flew from Melbourne to Brisbane at an average speed of 800 kmph .for one quater of the journey it flew at 950 kmph.At waht speed did it fly the rest of the journey?maths questions
Answer provided by our tutors
let v = the speed of the rest of the journey
(950 + 3v)/4 = 800
by solving we find
v = 750 mph
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the speed of the plane for the rest of the journey is 750 mph.