Final answer:
Melanie had the heavier bag of candy, as her bag weighed 1893.571 grams compared to Maggie's 183.571 grams.
Step-by-step explanation:
Between Maggie's bag of candy weighing 183.571 grams and Melanie's bag weighing 1893.571 grams, we can determine that who had the heavier bag of candy. To do this, we simply compare the two weights. Maggie's bag weighs 183.571 grams, whereas Melanie's bag weighs significantly more at 1893.571 grams.
Therefore, the answer to the question is: b) Melanie had the heavier bag of candy. This is because 1893.571 is greater than 183.571, indicating that Melanie's bag of candy is heavier than Maggie's.