Nicole used
45 of the wire to tie some presents. She threw away
79 of the remaining wire. As a result, she had 30 cm of the wire left. How much wire did Nicole have at first? Give your answer in cm.
Fraction of the wire left after tying some presents
= 1 -
45=
15 Fraction of the remaining wire left after throwing away
= 1 -
79=
29
Fraction of the total wire left
=
15 ×
29=
245
Length of the wire at first = 45 u
Length of the wire left = 2 u
2 u = 30
1 u = 30 ÷ 2 = 15
Length of the wire at first
= 45 u
= 45 x 15
= 675 cm
Answer(s): 675 cm
