Sabrina used
49 of the ribbon to tie some presents. She threw away
34 of the remaining ribbon. As a result, she had 60 cm of the ribbon left. How much ribbon did Sabrina have at first? Give your answer in cm.
Fraction of the ribbon left after tying some presents
= 1 -
49=
59 Fraction of the remaining ribbon left after throwing away
= 1 -
34=
14
Fraction of the total ribbon left
=
59 ×
14=
536
Length of the ribbon at first = 36 u
Length of the ribbon left = 5 u
5 u = 60
1 u = 60 ÷ 5 = 12
Length of the ribbon at first
= 36 u
= 36 x 12
= 432 cm
Answer(s): 432 cm