Question

This illustration shows the East Pacific Rise, which grows at an approximate rate of 15 cm/year. Approximately how much will the East Pacific Rise have grown in five years?
A) 60 cm
B) 75 cm
C) 90 cm
D) 110 cm

Answer 1

Answer:  [B]:    " 75 cm " .

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Explanation:

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(15 cm)             5 yr            

  ____    *       ______    =    ?

     yr                    1  

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The units of "yr" (years) ;  cancel out to "1" ;

 since any value, divided by that same value, is equal to "1" ;

 as such;   " yr / yr  = 1 " ;

→   And we have:

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15 cm            5

_____   *    ___    =      15 cm * 5  = 75 cm ;  which is:

  1                  1                Answer choice:  [B]:  " 75 cm " .

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Hope this is helpful to you!

  Best wishes!

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