Zoe used
27 of the ribbon to tie some presents. She threw away
67 of the remaining ribbon. As a result, she had 95 cm of the ribbon left. How much ribbon did Zoe have at first? Give your answer in cm.
Fraction of the ribbon left after tying some presents
= 1 -
27=
57 Fraction of the remaining ribbon left after throwing away
= 1 -
67=
17
Fraction of the total ribbon left
=
57 ×
17=
549
Length of the ribbon at first = 49 u
Length of the ribbon left = 5 u
5 u = 95
1 u = 95 ÷ 5 = 19
Length of the ribbon at first
= 49 u
= 49 x 19
= 931 cm
Answer(s): 931 cm