Sarah has 30 Jolly Ranchers and 40 Laffy Taffy pieces. She wants to put them in baggies so everyone gets the same number of candies. What's the greatest number of baggies she can make?

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

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.

Collin did the work to see if 10 is a solution to the equation r/4=2.4