Question

samuel walks forward 19 steps. he represents this movenment with a positive 19. how would he represent the opposite of this number

Answer 1

Solution:

Given :

Samuel walks forward 19 steps = +19

Samuel would represent the opposite of the number + 19 by walking backwards which will be -19.

Hence, the opposite of positive(+) 19 is negative(-) 19.

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Hope this will help you..

Answer 2

Given :
Samuel walks  forward 19 steps. So number is+19

To Find :
how would he represent the opposite of this number 

Solution :
Number =19

To represent the opposite of this number . Samuel should first take 19 steps back to reach his original position that is zero and then needs to move still 19 steps backward  to get -19.