Substitute teachers with Greenwood School District get paid by the day, although subs with teaching credentials earn a different amount than subs without credentials. Yesterday, 10 non-credentialed subs (x) and 10 credentialed subs (y) taught in the district. That cost the district $1,560. Today, 3 non-credentialed subs and 10 credentialed subs taught, receiving $1,077 from the district.

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