Question
Usha used 310 of the ribbon to tie some presents. She threw away 411 of the remaining ribbon. As a result, she had 196 cm of the ribbon left. How much ribbon did Usha have at first? Give your answer in cm.
4 m

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Usha used 310 of the ribbon to tie some presents. She threw away 411 of the remaining ribbon. As a result, she had 196 cm of the ribbon left. How much ribbon did Usha have at first? Give your answer in cm.