Step-by-step explanation:
hope this helps. n=6 or n=9 work is in the attached pic
Answer:
-1
-40/7+8-23/7
= -40/7+8-23/7
= 16/7-23/7
= -1
i think the answer be 150 feet per minute
hope this is right
Oh the answer is a I looked it up this time