Question

if the cost of an article is raised by 9% to $654.what is the original cost of the article

Answer 1

Answer:

$600

Step-by-step explanation:

Original cost = C

C + (9% of C) = $654

C + (9/100)C = $654

C + 0.09C = $654

1.09C = $654

C = $654 / 1.09

C = $600

Answer 2

Answer:

Step-by-step explanation:

let the original cost of the article be x

109%      $654

100%         ?                     [cross multiplication]

therefore,

x = (654*100)/109

  = 65400/109

 = $600

therefore the original cost of the article is $600