7p <span>≥ 40
p </span><span>≥ 5 2/7
There is no such thing as 5 and 2/7 of a friend, so he can buy lunch for 5 people.</span>
It’s C. X+5
Hope this Helps!
Correct me if I’m wrong!
Answer:
ux=16
and Sigmax=3.10
hope this helps let me know if you need any more help!