exam Maths Puzzle Numerical Ability

Simpliy: This is so complicated please help.

2/z^2 - 3/2 / 2/5z^2 + 1/3z

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exam Other Question

1/18 h� - 1/2h + 1 =0 A brick patio is twice as long as it is wide. It is bordered on all sides by a garden 1.5m wide. Find the dimensions of the patio if the area of the garden is 54m2.