Answer:
n = - 
Step-by-step explanation:
Given
2nq = 3 + 7nq ( subtract 7nq from both sides )
- 5nq = 3 ( divide both sides by the multiplier - 5q )
n =
= - 
Yes I think that is correct
Answer:
the 1st one
Step-by-step explanation:
i hope its right
sorry if worng
The answer is 67.50 because you multiply 90$ by .25 than you got 22.50 subtract 22.50 by 90