Devin brought his snail collection to school. he has 10 snails. how could he put them into 2 tanks so two classes could see them? write equation for all the possible ways. one of the way is given. explain how you have found all the ways.

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.