Hilda used
411 of the streamer to tie some presents. She threw away
511 of the remaining streamer. As a result, she had 294 cm of the streamer left. How much streamer did Hilda have at first? Give your answer in cm.
Fraction of the streamer left after tying some presents
= 1 -
411=
711 Fraction of the remaining streamer left after throwing away
= 1 -
511=
611
Fraction of the total streamer left
=
711 ×
611=
42121
Length of the streamer at first = 121 u
Length of the streamer left = 42 u
42 u = 294
1 u = 294 ÷ 42 = 7
Length of the streamer at first
= 121 u
= 121 x 7
= 847 cm
Answer(s): 847 cm