Final answer:
QFC is approximately 34.88% of the size of Albertsons.
Step-by-step explanation:
To compare the size of QFC and Albertsons, we can calculate the percentage of QFC's stores compared to Albertsons' stores. First, we need to determine the ratio of QFC stores to Albertsons stores: 75 stores / 215 stores = 0.3488. To convert this ratio to a percentage, we multiply it by 100: 0.3488 * 100 = 34.88%. Therefore, QFC is approximately 34.88% of the size of Albertsons.