The average price of a litre of petrol in England increased by 20% from January 2010 to January 2012. (b) Work out the average price of a litre of petrol in England in January 2010.
Give your answer in pence, correct to 1 decimal place.

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

the answer is 1/4

step-by-step explanation:

or

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

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