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An employer has a daily payroll of $1225 when wmploying some workers at $80 per day and others at $85 per day.

An employer has a daily payroll of $1225 when wmploying some workers at $80 per day and others at $85 per day. When the number of $80 workers is increased by 50% and the number of $85 is decreased by 1/5. The new daily payroll is $1540. How many were originally employed at each rate?

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