Question
Wendy bought a sack of corn starch on Day 7 and cooked 113 kg of corn starch every day. By Day 13, she was 13 kg short of corn starch. On which day did she cook 49 of the corn starch in the sack?
3 m

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Wendy bought a sack of corn starch on Day 7 and cooked 113 kg of corn starch every day. By Day 13, she was 13 kg short of corn starch. On which day did she cook 49 of the corn starch in the sack?