During a drought, the water level in a river dropped 3 inches each day for 4 straight days. What was the change in the water level of the river during this this period?
A) 7 inches
B) 12 inches
C) - 7 inches
D) - 12 inches

Question

Quizplus · Accepted Answer

The water level dropped 3 inches each day for 4 days, so the total change is 3 * 4 = 12 inches. Since the level dropped, this is a decrease, represented by a negative number: -12 inches.

During a Drought, the Water Level in a River Dropped