Kylie used
35 of the string to tie some presents. She threw away
311 of the remaining string. As a result, she had 272 cm of the string left. How much string did Kylie have at first? Give your answer in cm.
Fraction of the string left after tying some presents
= 1 -
35=
25 Fraction of the remaining string left after throwing away
= 1 -
311=
811
Fraction of the total string left
=
25 ×
811=
1655
Length of the string at first = 55 u
Length of the string left = 16 u
16 u = 272
1 u = 272 ÷ 16 = 17
Length of the string at first
= 55 u
= 55 x 17
= 935 cm
Answer(s): 935 cm