book Maths Puzzle Numerical Ability

Please help me rationalize the expression 2sqrt3+sqrt2/sqrt3-sqrt2 so there are no radicals in the denominator. I came up with 4-sqrt6
Thanks a lot

Read Solution (Total 0)

book Other Question

The nurse has 0.56 liters of a solution that is 89.9% alcohol. How much pure alcohol must she addd to bring the solution up to a 95.8% concenration? I cannot translate these proble please help me with this.

-3/4y + 1/4 = 1/2

will you show me how you did it?