Usha used
310 of the wire to tie some presents. She threw away
37 of the remaining wire. As a result, she had 24 cm of the wire left. How much wire did Usha have at first? Give your answer in cm.
Fraction of the wire left after tying some presents
= 1 -
310=
710 Fraction of the remaining wire left after throwing away
= 1 -
37=
47
Fraction of the total wire left
=
710 ×
47=
25
Length of the wire at first = 5 u
Length of the wire left = 2 u
2 u = 24
1 u = 24 ÷ 2 = 12
Length of the wire at first
= 5 u
= 5 x 12
= 60 cm
Answer(s): 60 cm
