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tatyana61 [14]
3 years ago
6

The submarine is cruising at a depth of 50 meters, then dives 75 meters, then ascends (moves in the direction of the surface )60

meters, and then dives 45 meters. what is the submarine's final depth
Mathematics
1 answer:
sukhopar [10]3 years ago
5 0
Interesting question... let's draw a picture.

50 m ----------
                     \              ----------------------------- \
    75 m down \           / 60 m up      45 m down ------
                        ---------

So what's going on?
Going 75 m deeper: 50 + 75
Coming up 60 m    : 50 + 75 - 60
Going 45 m deeper: 50 + 75 - 60 + 45

Final depth: 110 m
 
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