Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 8 minutes, the bell is at a depth of 500 ft. After 40 minutes the bell is at a depth of 1,400 ft. What is the average rate of lowering per minute? Round to the nearest hundredth is needed.
A. 35.0 ft per minute
B. 28.1 ft per minute
C. 0.04 ft per minute
D. 22.5 ft per minute
Answer: B
Mathematics
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?
?
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