# Animal species

Of 100 types of animals, 9/100 were discovered in ancient times, and 2/100 were discovered in the Middle Ages. Another 3/10

were discovered in the 1800s. What fraction of the 100 types of animals was discovered after the 1800s? Explain.

were discovered in the 1800s. What fraction of the 100 types of animals was discovered after the 1800s? Explain.

### Correct answer:

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