1. "No rain for three months," said old Jake. "Terrible! You say you lost some cows and seven pigs," remarked Ken. "How many animals did you lose in all?" "Well," replied the farmer, "there were those and also two horses less than the number of cows I lost. That's right, thirteen beasts dead." How many cows did he lose?

Jake lost 6 cows

Jake lost 3 cows

Jake lost 4 cows