Sabrina used
29 of the rope to tie some presents. She threw away
35 of the remaining rope. As a result, she had 56 cm of the rope left. How much rope did Sabrina have at first? Give your answer in cm.
Fraction of the rope left after tying some presents
= 1 -
29=
79 Fraction of the remaining rope left after throwing away
= 1 -
35=
25
Fraction of the total rope left
=
79 ×
25=
1445
Length of the rope at first = 45 u
Length of the rope left = 14 u
14 u = 56
1 u = 56 ÷ 14 = 4
Length of the rope at first
= 45 u
= 45 x 4
= 180 cm
Answer(s): 180 cm