exam Maths Puzzle Numerical Ability

a passenger train can travel 325 mi the same time a freight train takes to travel 200 mi. if the speed of the passenger train is 25 mi/h faster than the speed of the freight train

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Hi I need some help with this math problem: Solve by completing the square. Write the solutions in simplest radical form. The equation is x to the 2nd power - 14x = -47 Thanks for any help you can provide. i am having problems solving these 3 problems #65 1/2(x+3)+1/3(3x+6) and #67 12x/5(5/12)+(-6x)(-1/6) and #69 -8/8(7xsquare/8)+1/3(3xsquare)+(3xsquare/4)(4/3) please help me. thanks!!!