Kathy used
411 of the streamer to tie some presents. She threw away
35 of the remaining streamer. As a result, she had 210 cm of the streamer left. How much streamer did Kathy 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 -
35=
25
Fraction of the total streamer left
=
711 ×
25=
1455
Length of the streamer at first = 55 u
Length of the streamer left = 14 u
14 u = 210
1 u = 210 ÷ 14 = 15
Length of the streamer at first
= 55 u
= 55 x 15
= 825 cm
Answer(s): 825 cm