Question

after an earthquake,the level of the ground goes down further by 42 meters earlier the depth was 878meters find the new level of the ground
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Answer 1

Answer:

let take earthquake depth= 42 m

Earlier depth = 878 m

so , according to question

x + y= 878 m

here x = 42 m

and y= new depth

42+ y = 878

y = 920 m