A diver makes a dive to 19 meters for 35 minutes then has a surface interval of 54 minutes. The same diver wants to make another 35 minute dive. What will be his maximum allowable depth?

b) 18

A diver plans to make three dives using minimum surface intervals. The dives are:

10 meters for 90 minutes

34 meters for 10 minutes

16 meters for 55 minutes

Put the dives in proper sequence and calculate the total time including safety stops. You may ignore ascent times

a) 250 minutes

b) 253 minutes

c) 256 minutes

d) 258 minutes

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