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gradient =  3

I = (4/7)X^(7/4) +C

Fristly we need to define recurring decimal as a rational number that does not terminate.

Example 1, 0.444444444...

Example 2, 0.123123123...

A fraction is a number in which the numer...

I cannot stress this answer enough, but, ALL of them. TWICE, at least. When it comes to Maths, past papers will without a doubt be the key to unlock your target grade. Success in maths comes with practice...

a) 1.45 x 12= £17.40

b) (answer from part a-£9.45) 17.40 - 9.45= £7.95