Answer:
The original number of oranges purchased is 260
Explanation:
Let the original number of oranges purchased be x
We are given that The number of oranges a grocery store bought this year was 15% more than the number of oranges bought last year.
So, Oranges bought this year =

We are given that This year the store bought 299 oranges.
So,


x=260
Hence the original number of oranges purchased is 260