exam Maths Puzzle Numerical Ability

2 over x - 2 is greater than or equal to 0

Read Solution (Total 0)

exam Other Question

(7/x+4) - (5x/3x-2)

I think the answer is:

- (5x^2-x+14/(3x-2)(x+4) but this wasnt one of my choices?? how many kilograms of a 30% acid solution must be added to 80kg of a 20% solution to produce a 28% solution?