Pig Weight Gain

Feed Ratio of Wheat & Corn Pig Weight Gain, 2 months (in pounds)
75% wheat & 25% corn 40 pounds
67% wheat & 33% corn 47 pounds
50% wheat & 50% corn 51 pounds
33% wheat & 67% corn 54 pounds
25% wheat & 75% corn 61 pounds

Trey and Connie were raising pigs for their 4-H project. The students fed their piglets a variation of two feed: wheat and corn. After two months they tabulated the pigs' weight gain. What relationship is apparent from their data?
Responses

AThe blend of wheat and corn had no relationship to weight gain.
The blend of wheat and corn had no relationship to weight gain.
BThe lower the percentage of corn in the feed, the greater the weight gain.
The lower the percentage of corn in the feed, the greater the weight gain.
CThe higher the percentage of corn in the feed, the greater the weight gain.
The higher the percentage of corn in the feed, the greater the weight gain.
DThe higher the percentage of wheat in the feed, the greater the weight gain.

DThe higher the percentage of wheat in the feed, the greater the weight gain.