exam Maths Puzzle Numerical Ability

ratio of # of shares of stock X to # of shares stock Y = 2.3, if there are 60 shares, how many are X

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exam Other Question

5/2x+3=1/x-6 Simplify by combining like terms
(rad)63) -2(rad)28) +5(rad)7 i thought i had it then i didnt please help.
Also am i entering the radical thing the right way? radical of 63 = (rad)63 ? is this ok?