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.