I'd say it's x + 1 < 17.
Because the operator should be included as a person as well.
If she hiked 6 miles in 2 hours then she must've hiked 3 miles in a hour.
3*9 = 27
Lucy would hike 27 miles in 9 hours. Hope this helps!
Answer:
Let 
Solution: 
Step-by-step explanation:
See attached for step-by-step
2x=18
X=9
2(9)=18
X is the number of glass pieces
The answer is 31. 5 goes into 15 3 times and 5 goes into 5 1 time so its 31