Answer:
$12
Explanation:
You want to know the price increase per 100 meters if the fee for climbing d meters is ...
f = 110 + 0.12d
Rate of change
The rate of change indicated by the coefficient of d in the equation is 0.12 for each unit of d. Then the amount of change for 100 units of d is ...
0.12(100) = 12
The price increases by $12 for every 100 meters climbed.
<95141404393>