After jenny had given melissa 16 stickers, both had the same number of stickers. Lindy then gave 24 stickers to jenny and the ratio of the number of Jenny's stickers to the original number of melissa's stickers became 5:1. How many stickers did jenny have at first?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.