Eva used
47 of the streamer to tie some presents. She threw away
37 of the remaining streamer. As a result, she had 36 cm of the streamer left. How much streamer did Eva have at first? Give your answer in cm.
Fraction of the streamer left after tying some presents
= 1 -
47=
37 Fraction of the remaining streamer left after throwing away
= 1 -
37=
47
Fraction of the total streamer left
=
37 ×
47=
1249
Length of the streamer at first = 49 u
Length of the streamer left = 12 u
12 u = 36
1 u = 36 ÷ 12 = 3
Length of the streamer at first
= 49 u
= 49 x 3
= 147 cm
Answer(s): 147 cm