exam
Maths Puzzle
Numerical Ability
The speed of one aircraft to that of another is 2 to 5. If the slower aircraft has a speed of 300 knots, what is the speed of the faster aircraft?
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Please help.
7x^2 + x - 17 over 2x^2 - 5x +3 minus 3x -4 over 2x - 3 euals 2x+1 over
x - 1 for x.
We are having problems solving this equation, and would like to know where we are going wrong.
10 + 3(x+2)= 31
Is it 13-2x=31?
thank you.