Final answer:
The rule for the number pattern 950, 800, 650, 500, 350 is that each number is decreasing by 150.
Step-by-step explanation:
The rule for the number pattern 950, 800, 650, 500, 350 is that each number is decreasing by 150. To find the next number in the pattern, subtract 150 from the previous number. For example, to find the next number after 350, subtract 150: 350 - 150 = 200.