Answer:
Based on my calculations, I think that 8 is the answer.
Explanation:
An easy explanation would be:
291 / 6 = 48.5 Well, we need to find out how much 1 microphone costs, so then you divide 48.5 by 3 which gets you 16.167 or 16.16666 repeating.
You need to divide that by two which gets you 8.0835, or rounded down, 8.