Question

A submarine begins at -125 below sea level. If the submarine travels at 20 feet per minute, how many minutes would it will take the submarine to rise to the surface and then defend to -104 feet?

A: 6 1/4 B: 11 2/9

C: 5 1/5 D: 11 9/20

I said C but it was wrong. how do i solve this then? what would the correct answer be?
Ms. Sue
(125 + 104) / 20 = ?

203 trust me its 203 :)

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