Emily used
15 of the string to tie some presents. She threw away
59 of the remaining string. As a result, she had 304 cm of the string left. How much string did Emily have at first? Give your answer in cm.
Fraction of the string left after tying some presents
= 1 -
15=
45 Fraction of the remaining string left after throwing away
= 1 -
59=
49
Fraction of the total string left
=
45 ×
49=
1645
Length of the string at first = 45 u
Length of the string left = 16 u
16 u = 304
1 u = 304 ÷ 16 = 19
Length of the string at first
= 45 u
= 45 x 19
= 855 cm
Answer(s): 855 cm