1,000 oranges in a box have a mass of 7,500 gm. What is the average weight of an orange?

To find the average weight of an orange, you need to divide the total weight of oranges by the number of oranges.

Average weight of an orange = Total weight of oranges / Number of oranges

Total weight of oranges = 7,500 gm
Number of oranges = 1,000

Average weight of an orange = 7,500 gm / 1,000 = 7.5 gm

Therefore, the average weight of an orange is 7.5 grams.