Question

A place is 370m above sea level and another is 350m below sea level. What is the difference of level between the two places?​

Answer 1

Step-by-step explanation:

(a).

37

m

above sea level

=

+

37

m

35

m

below sea level

=

−

35

m

The difference in level between two places is

=

[

+

37

m

−

(

−

35

m

)

]

=

+

37

m

+

35

m

=

72

m

(b). Let the other integer be

x

.

⇒

8

+

x

=

−

15

,

⇒

x

=

[

(

−

15

)

−

8

]

=

−

23

Answer 2

Step-by-step explanation:

20 meters

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