The course of an enemy submarine as plotted on a set of rectangular axes is\[2x+3y=5\]. On the same axes the course of the destroyer is indicated by\[x-y=10\]. What is the point \[(x,\,\,y)\] at which the submarine can be destroyed?

The course of an enemy submarine as plotted on a set of rectangular ax

1.	The course of an enemy submarine as plotted on a set of rectangular axes is\[2x+3y=5\]. On the same axes the course of the destroyer is indicated by\[x-y=10\]. What is the point \[(x,\,\,y)\] at which the submarine can be destroyed?
A.	\[(-7,\,\,3)\]
B.	\[(-3,\,\,7)\]
C.	\[(3,\,\,-7)\]
D.	\[(7,\,\,-3)\]
Answer» E.

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The course of an enemy submarine as plotted on a set of rectangular axes is\[2x+3y=5\]. On the same axes the course of the destroyer is indicated by\[x-y=10\]. What is the point \[(x,\,\,y)\] at which the submarine can be destroyed?

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