IDNLearn.com: Your reliable source for finding expert answers. Whether your question is simple or complex, our community is here to provide detailed and trustworthy answers quickly and effectively.

There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches. Which system of equations can be used to fine the number of 7-inch plates, x , and the number of 12-inch plates, y , that are in the cabinet?