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The side of one square is 7 kn longer than the side of another. Find the sides of the squares.

The perimeter of the larger square is twice that of the smaller.

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1 Answer 1

Let $x_1$ be the side of one of them and $p_1$ be its perimeter, the we have:

$$P_1=4x_1$$

$$P_2=4x_2$$

We also have:

$$P_2=2P_1$$ And

$$x_2=x_1+7$$

Now you have to solve a system of equations to find $x_1$ and $x_2$.

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