exam
Maths Puzzle
Numerical Ability
Express as a polynomial: (x-a)(x^2-ax/x)
Read Solution (Total 0)
exam Other Question
Sarah leaves Seattle for Newyork in her car, averaging 80mph across open country. 1hr later a plane leaves Seattle for Newyork following the same route and flying 400mph. Howlong before the plane overtake the car?
solve:
9/x-5 -1=8/x+5