Betty used
49 of the rope to tie some presents. She threw away
35 of the remaining rope. As a result, she had 6 cm of the rope left. How much rope did Betty have at first? Give your answer in cm.
Fraction of the rope left after tying some presents
= 1 -
49=
59 Fraction of the remaining rope left after throwing away
= 1 -
35=
25
Fraction of the total rope left
=
59 ×
25=
29
Length of the rope at first = 9 u
Length of the rope left = 2 u
2 u = 6
1 u = 6 ÷ 2 = 3
Length of the rope at first
= 9 u
= 9 x 3
= 27 cm
Answer(s): 27 cm