Jen used
110 of the thread to tie some presents. She threw away
59 of the remaining thread. As a result, she had 32 cm of the thread left. How much thread did Jen have at first? Give your answer in cm.
Fraction of the thread left after tying some presents
= 1 -
110=
910 Fraction of the remaining thread left after throwing away
= 1 -
59=
49
Fraction of the total thread left
=
910 ×
49=
25
Length of the thread at first = 5 u
Length of the thread left = 2 u
2 u = 32
1 u = 32 ÷ 2 = 16
Length of the thread at first
= 5 u
= 5 x 16
= 80 cm
Answer(s): 80 cm