HELP I WILL MAKE BRAINIEST FOR THE FASTEST FIRST AND FASTEST ANSWER Complete this sentence. If mass remains the same while the volume of a substance , the density of the substance will. decreases, decrease increases, decrease increases, stay the same decreases, stay the same

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.