Hazel used
27 of the streamer to tie some presents. She threw away
47 of the remaining streamer. As a result, she had 210 cm of the streamer left. How much streamer did Hazel have at first? Give your answer in cm.
Fraction of the streamer left after tying some presents
= 1 -
27=
57 Fraction of the remaining streamer left after throwing away
= 1 -
47=
37
Fraction of the total streamer left
=
57 ×
37=
1549
Length of the streamer at first = 49 u
Length of the streamer left = 15 u
15 u = 210
1 u = 210 ÷ 15 = 14
Length of the streamer at first
= 49 u
= 49 x 14
= 686 cm
Answer(s): 686 cm