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This is ironically normally solved by Calculus. However, this is also one of those sorts of problems that can be solved without Calculus if you have a good feelings for quadratic equations.
First, you have two unknowns here, which means to solve it completely, you are going...
You have two unknowns here. Thus, you will need two equations.
In this case, it might be easier to follow if you let L and W represent that rectangular area of the text. Imagine that you have two rectangles. You have one rectangle that represents...
The lowest common multiple of 1/2 and of 1/4 is 4.
That is 2 * 2 = 4 and 1*4 = 4.
So multiply through by the lowest common multiple (LCM).
4*(7/2) + 4*x = 4*(1/4)
28/2 + 4x = 4/4
14 + 4x = 1
4x = -13
To answer this, first let's consider some other cases.
6 divided by 6 = 1.
6 divided by 3 = 2.
6 divided by 2 = 3.
6 divided by 1 = 6.
Let us pretend these are apples. So in the first case, I am asking to divide 6 apples into 6 groups. How many apples...