One serving of Lucky Charms contains of the percent daily values ( PDV) for calcium, of the PDV for iron, and of the PDV for zinc.

One serving of Raisin Bran contains of the PDV for calcium, of the PDV for iron, and of the PDV for zinc.

Determine the number of servings of each cereal required to get of the PDV for calcium, of the PDV for iron, and of the PDV for zinc.

We need servings of Lucky Charms, and servings or Raisin Bran.

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