Subject: mathqa
Question: the water level in a reservoir has been dropping at the rate of 12 inches per day . exactly 5 days ago , the water level was at w inches . what will be the water level exactly 4 days from now if the rate at which the level is dropping remains the same ?
Option: 
A: w + 126
B: w + 14
C: w − 14
D: w − 108
Answer: D