Tammy used
49 of the rope to tie some presents. She threw away
34 of the remaining rope. As a result, she had 45 cm of the rope left. How much rope did Tammy 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 -
34=
14
Fraction of the total rope left
=
59 ×
14=
536
Length of the rope at first = 36 u
Length of the rope left = 5 u
5 u = 45
1 u = 45 ÷ 5 = 9
Length of the rope at first
= 36 u
= 36 x 9
= 324 cm
Answer(s): 324 cm