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3:2 means there are 5 parts. So 18 litres can be divided by 5, and the price of each part worked out individuallly.

18 / 5 = 3.6

To work out how much the white paint costs: 3.6 x £2.80 = £10...

It's frustrating isn't it. You have done all the research, you remember all the dates and key points and you know all the answers. But you just have no idea how to structure your thoughts to make a cohere...

It is a tense to express a doubt or a wish such as "I wish it were sunny."

It's constructed in the present tense by taking the 'Ils' form, removing the ending and adding e, es, e, ions, i...

When dealing with questions to do with expanding brackets, you must multiply every term in one bracket with all the others in the second bracket. So for this question, we can see we have 4 terms in total:...

Say you had two equtions to solve simultaneously.

Example 1: x + 5y = -7; 2x - 2y = 10

Multiply one of the equtions so that one of the variables has the same coefficient. In this example, I ...