To find the area of the square, we need to multiply the length and the width.
The length of the square is given as 5x, and the width is given as 2y.
We are given that y = 5, so we can substitute 5 for y in the width expression.
Now, the width becomes 2 times 5, which is 10.
So, the length is 5x, and the width is 10.
To find the area, multiply the length by the width:
Area = length x width
Area = 5x * 10
Since we are not given a specific value for x, we can leave it as it is.
Therefore, the area of the square is 50x.