They would have used a total of 30 horses. Each person would've each ridden 15 so 15+15= 30 and 165 divided by 11 is 15. Hope this is off help!
So what do you need us to do for you?
4+2(4+5)
4+2*4+2*5=
4+8+10=
22
Question 1: C, x < -8 <---
Question 2: A, n>= -4
Answer:
all work is shown and pictured