Dana used
35 of the wire to tie some presents. She threw away
311 of the remaining wire. As a result, she had 64 cm of the wire left. How much wire did Dana have at first? Give your answer in cm.
Fraction of the wire left after tying some presents
= 1 -
35=
25 Fraction of the remaining wire left after throwing away
= 1 -
311=
811
Fraction of the total wire left
=
25 ×
811=
1655
Length of the wire at first = 55 u
Length of the wire left = 16 u
16 u = 64
1 u = 64 ÷ 16 = 4
Length of the wire at first
= 55 u
= 55 x 4
= 220 cm
Answer(s): 220 cm