Xylia used
17 of the string to tie some presents. She threw away
34 of the remaining string. As a result, she had 51 cm of the string left. How much string did Xylia have at first? Give your answer in cm.
Fraction of the string left after tying some presents
= 1 -
17=
67 Fraction of the remaining string left after throwing away
= 1 -
34=
14
Fraction of the total string left
=
67 ×
14=
314
Length of the string at first = 14 u
Length of the string left = 3 u
3 u = 51
1 u = 51 ÷ 3 = 17
Length of the string at first
= 14 u
= 14 x 17
= 238 cm
Answer(s): 238 cm