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Mathematics 9 Online
OpenStudy (anonymous):

A scuba diver's tank can make four 9 minute dives before running out of air. How long can the scuba diver stay underwater altogether

OpenStudy (anonymous):

if he can go under 4 times for 9 minutes... trip 1: 9 minutes trip 2: 9 minutes trip 3: 9 minutes trip 4: 9 minutes So 9 X 4

OpenStudy (anonymous):

you do realize how easy this is? just take 9x4....

OpenStudy (anonymous):

It's 36

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