Esther used
311 of the wire to tie some presents. She threw away
38 of the remaining wire. As a result, she had 25 cm of the wire left. How much wire did Esther have at first? Give your answer in cm.
Fraction of the wire left after tying some presents
= 1 -
311=
811 Fraction of the remaining wire left after throwing away
= 1 -
38=
58
Fraction of the total wire left
=
811 ×
58=
511
Length of the wire at first = 11 u
Length of the wire left = 5 u
5 u = 25
1 u = 25 ÷ 5 = 5
Length of the wire at first
= 11 u
= 11 x 5
= 55 cm
Answer(s): 55 cm