Answer:
8 is the range
Explanation:
Step 1: Find the range
To find the range, subtract the lowest number from the highest number.
Example: 5, 9, 15
What is the highest number → 15
What is the lowest number → 5
What is the range 15 - 5 = 10 is the range
Problem: 7, 15, 12
What is the highest number → 15
What is the lowest number → 7
What is the range 15 - 7 = 8 is the range
Answer: 8 is the range