Question
Risa used 411 of the streamer to tie some presents. She threw away 310 of the remaining streamer. As a result, she had 147 cm of the streamer left. How much streamer did Risa have at first? Give your answer in cm.
4 m

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Risa used 411 of the streamer to tie some presents. She threw away 310 of the remaining streamer. As a result, she had 147 cm of the streamer left. How much streamer did Risa have at first? Give your answer in cm.