Ivy\textquotesingle s house and Candy\textquotesingle s house are $$1200$$ meters apart. They wanted to meet with each other. Ivy left her own house first, and Candy left her own house after $$6$$ minutes. After another $$12$$ minutes, they met each other. Given that Ivy walked $$20$$ more meters per minute than Candy, find the walking speed of Candy. 
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