Jane used
18 of the thread to tie some presents. She threw away
58 of the remaining thread. As a result, she had 294 cm of the thread left. How much thread did Jane have at first? Give your answer in cm.
Fraction of the thread left after tying some presents
= 1 -
18=
78 Fraction of the remaining thread left after throwing away
= 1 -
58=
38
Fraction of the total thread left
=
78 ×
38=
2164
Length of the thread at first = 64 u
Length of the thread left = 21 u
21 u = 294
1 u = 294 ÷ 21 = 14
Length of the thread at first
= 64 u
= 64 x 14
= 896 cm
Answer(s): 896 cm