Answer:
7
Explanation:
First, I had to find the total number of dinners, next I had to find how many had prices of "$30 or more." Last, I had to find the total number of dinners who had prices of less than $30.
Total: 10
Less than 30: 3
10 - 3 = 7
7 = Prices of Dinners ($30 or more)
Hope this helps a bit!