Solve the problem.
-A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 500 feet. After 55 minutes the bell is at a depth of 1400 feet. What is the average rate of lowering per
Minute? Round your answer to the nearest tenth.
A)0.05 ft per min
B)25.5 ft per min
C)20.9 ft per min
D)16.4 ft per min

Question

Quizplus · Accepted Answer

The average rate of lowering per minute is calculated by finding the difference in depth divided by the difference in time: (1400 - 500) feet / (55 - 12) minutes = 900 feet / 43 minutes ≈ 20.9 ft per min.

Solve the Problem. -A Deep Sea Diving Bell Is Being Lowered at a Lowered