A farmer has chickens and goats. If there are 38 heads and 110 legs in total, how many goats does the farmer have?

✓ Correct Answer: Option A

Let C be chickens and G be goats. C + G = 38 (heads). 2C + 4G = 110 (legs). Substitute C = 38 - G into the second equation: 2(38 - G) + 4G = 110. This simplifies to 76 + 2G = 110, so 2G = 34, and G = 17.