Determine the point on the graph of the equation 2x + 5y = 20 whose x- – InterviewSolution

1.

Determine the point on the graph of the equation 2x + 5y = 20 whose x-coordinate is 5/2 times its ordinate.

Answer»

As the x-coordinate of the point is 5/2 times its ordinate, therefore, x = 5/2 y.

Now putting x = 5/2 y in 2x + 5y = 20, we get, y = 2. Therefore, x = 5. Thus, the required point is (5, 2).

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