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So let's use 2x + 5y = 11 and 3x - 5y = 4 as our example.In these equations we have 2 unknown variables, x and y which we are trying to work out. The numbers in-front of the letters are the amount of time...
7700 x 1.2 = 9240 (total cost of car)12 x 642.5 = 7710 (total cost of instalments)9240 - 7710 = 1530Answer = £1,530
We can begin by working out the total number of children in the cinema. We know that for every 2 girls, there are 7 boys, which is the same as saying for every 1 girl, there are 3.5 boys. Three and a half...
1st Find the total number of parts they will be splitting the £50 into. If Anna is getting 5 parts and James is getting 3 how many parts in total? 5 + 3 = 8 2nd Work out how much each part is worth. To do...
The first step is to assess whether there are any plus or minus signs anywhere within the fraction. If not: separate the denominator into brackets, for instance if the denominator contained 2x you would s...
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