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We need to multiply out each bracket and it is best to do this systematically, multiplying each term in the left hand bracket by each term in the right hand bracket. (x+4)(x-3) = (X x X) + (X x -3) + (4 x...
300 x (7/20) = 300/20 x 7 = 15 x 7 = 105 = number of men on the plane.
300 x 0.3 = 90 (Or 300/10 x 3) = number of women on the plane.
105 + 90 = number of adults on the plane = 195.
3...
Step 1- Get all the numbers on one side of the inequality sign and all the letters on the other side. Remember when a number is moved to the other side of an inequality, the sign infront changes from eith...
Let's answer the question by solving an example:
Take (8x2 * 5x4 * 2y3)/(20x3). Firstly, let's take a look at the first bracket and rearrange it so we ha...
First of all, I would ask the student what they think the question means and whether they have encountered a question like this before, so that I know where to start from. If the student is more of a visu...
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