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kvasek [131]
3 years ago
8

paul is diving and is 3.5 feet below sea level. he is descending at a rate of 0.5 feet per minute. if paul is now at 12 feet how

many minutes has he been diving
Mathematics
1 answer:
andrezito [222]3 years ago
5 0

Answer:

He has been diving for 17 minutes

Step-by-step explanation:

* <em>Lets explain how to solve the problem</em>

- Paul is diving and is 3.5 feet below sea level

- He is descending at a rate of 0.5 feet per minute

- Paul is now at 12 feet

∵ His initial position is at 3.5 feet below the sea

∵ He is descending, that means he is moving down

∵ His final position is at 12

∴ <em>He is descending a distance = 12 - 3.5 = 8.5 feet</em>

∵ He is descending at a rate of 0.5 feet per minute

∵ He is descending 8.5 feet

∵ <em>Time = distance ÷ rate</em>

∴ <em>His time of descending = 8.5 ÷ 0.5 = 17 minutes</em>

* <em>He has been diving for 17 minutes</em>

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