Keith uses 18 cherries and 3 peaches to make a pie filling. lena uses an equivalent ratio of cherries to peaches when she makes pie filling. can lena use a ratio of 21 cherries to 6 peaches?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2