book Maths Puzzle Numerical Ability

Reduce the ffaction 6x/12x to lowest terms

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book Other Question

A total bill, including VAT at 17½%, comes to £249.90 - to the nearest penny.

What is the bill excluding VAT - to the nearest penny?
Write the function in the form Y= a(x-h)^2 + k.

f(x)= 5x^2 - 10x - 3