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A submarine dives 675 feet every 5 minutes and 5,400 feet every 40 minutes. Find the constant rate at which the submarine dives. Enter your answer in feet per minute and feet per hour.

The submarine dives________ feet per minute.
The submarine dives __________ feet per hour

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kittypaws8765

Answer:the submarine dives 150 feet per minute

Step-by-step explanation: feet per minute

300/2 = 6750/45 = 150 ft/minute

Since submarines dive quickly, and need to be able

to respond rapidly to sudden changes in conditions,

it is more reasonable to use feet per minute.  If we work

in feet per hour at this speed we would need to convert

the data back to feet per minute in order to ensure we

don't dive too deep.

Dn = Dn-1 + 150m

where Dn is depth, Dn-1 is previous depth,

and m is number of minutes diving.

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