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As we are working with an inequality we have to pay attention every time to the symbol, in this case less <, that rules the inequality. The first step to solve it, it is the expansion of the LHS, so we...
Firstly it is important to read the whole question to make sure the all the information you have been given is understood. As we know there are 50 bungalows we can use the ratio of flats to bungalows to f...
For this type of question, we always simply take the term outside the bracket and multiply it with the terms inside the bracket sequentially. So, first we evaluate 4x * x, which gives us 4x2. N...
First lets start with calculating how much 2kg of oranges cost (we do this by cross multiplying):so if 3kg = £54 2kg = £xto determine the value of x, we can write the following equation:3x = 5423x = 1...
Firstly multiply out the brackets. This would equal 5x + 15 < 60. Now move all the x terms onto one side and all the constants on to the other side. You can do this be doing minus 15 to both sides. 5x ...
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