A new computer can process the payroll for Brooklyn College in 12 hours An older computer needs 13 hours to process the same payroll: How long would the job take if both computers were used together to process the payroll? a) Let t the time to complete the payroll: Write the equation you would use to solve this problem b) Now solve your equation Give your answer first as reduced fraction, and then as decimal rounded to places_ Working together, the two computers will complete the payroll in: hours (write as fraction) , which as decimal is hours _
