The average age of 30 boys in a class is 16 years The average of the ages of the boys and the teacher is 17 years The age of teacher is? avg of 30 is 16=30*16=480 avg of 30 and 1 teacher is 17=31*17=527 Save then age of teacher is 527-480=47... 3 people found this useful.
Giant African Land Snail in Florida. Giant African land snail, Achatina (Lissachatina) fulica, is considered by some to be one of the most damaging snails in the world. It has been observed to feed on at least 500 different types of plants, many of them crops.
Giant African land snail. Achatina, an African snail genus in the family Achatinidae. The Giant African Snail (Achatina achatina), in the genus Achatina, also known as the Agate Snail or Ghana Tiger Snail, which grows to be the largest land snail on Earth. The Giant East African Snail (Achatina fulica), in the genus Achatina, a serious agricultural pest in some countries.