Elyse used
411 of the streamer to tie some presents. She threw away
310 of the remaining streamer. As a result, she had 343 cm of the streamer left. How much streamer did Elyse 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 -
310=
710
Fraction of the total streamer left
=
711 ×
710=
49110
Length of the streamer at first = 110 u
Length of the streamer left = 49 u
49 u = 343
1 u = 343 ÷ 49 = 7
Length of the streamer at first
= 110 u
= 110 x 7
= 770 cm
Answer(s): 770 cm