Lynn used
411 of the rope to tie some presents. She threw away
35 of the remaining rope. As a result, she had 154 cm of the rope left. How much rope did Lynn have at first? Give your answer in cm.
Fraction of the rope left after tying some presents
= 1 -
411=
711 Fraction of the remaining rope left after throwing away
= 1 -
35=
25
Fraction of the total rope left
=
711 ×
25=
1455
Length of the rope at first = 55 u
Length of the rope left = 14 u
14 u = 154
1 u = 154 ÷ 14 = 11
Length of the rope at first
= 55 u
= 55 x 11
= 605 cm
Answer(s): 605 cm