The distance between the elevations can be found by subtracting the depth the rock sank from the height of the bridge:
124 feet - 81 feet = 43 feet
Therefore, the distance between the elevations is 43 feet. The correct answer is 43 feet.
21. John threw a rock into a lake from a bridge 124 feet above the river's surface. The rock sinks 81 feet below the river’s surface. What is the distance between the elevations? (Hint: Draw a picture or use a number line.)(1 point)
Responses
-205 feet
-205 feet
205 feet
205 feet
43 feet
43 feet
-43 feet
-43 feet
1 answer
1 answer