College

Enting bought a roll of ribbon. She used 1/8 of the ribbon. She had 147 cm of the ribbon left. What was the original length of the ribbon?

Answer :

Answer :

  • 168 cm

Explanation :

let the original length of the ribbon be x and the used part be x/8.

atq,

  • x - x/8 = 147cm
  • (8x - x)/8 = 147 cm
  • 7x/8 = 147 cm
  • 7x = 147 cm * 8
  • x = 1176/7
  • x = 168cm

thus, the original length of the ribbon was 168 cm.

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