Answer:
15504 ways
Step-by-step explanation:

The answer is 18.
Work:
[i]The range is the gap between the smallest value and the largest value. [/i]
The smallest is 68.
The largest is 86.
The gap between them is 86-68=18.
Answer:
4x+5
Step-by-step explanation:
The new amount would be 11 more than the original