CFISD Bookmarks 4. L Substitution Check For Understanding Solve using substitution 2x + 3y - 4x = 9,4y – 63 = 16 and z= 2

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

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Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.