Final answer:
The expression that accurately represents "seven less than two times the number of instruments" is A) 2i - 7.
Step-by-step explanation:
The expression that represents "seven less than two times the number of instruments" using 'i' to represent instruments is 2i - 7. This can be broken down as follows:
- "Two times the number of instruments" is 2i.
- "Seven less than" is represented by subtracting 7, leading us to the expression 2i - 7.
Therefore, the correct option is A) 2i - 7.