exam Maths Puzzle Numerical Ability

A passenger train can travel 325 mi in the same time a freight train takes to travel 200mi. If the speed of the passenger train is 25 mi/h faster than the speed of the freight train, find the speed of each.

Thanks in advance!
ac

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exam Other Question

Find all roots of the polynomial x cube-x squared+16x-16. Can you please verify my answer?

Write in simplest form x^2+4x+4/x+2
= (x+2)(x+2)/x+2 = x+2

The x+2 on top and the x+2 on the bottom cancel out, leaving you with one x+2 left over. Is this correct?

Thanks so much for your help!