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Due to increased mailing costs, the new rate will cost publishers $22 million; this is 11.7% more than they paid the previous year. how much did it cost publishers last year

Respuesta :

Set an equation:
x=the cost before

22000000= 1.117x
divide both sides by 1.117
x=19659613.2

Answer: It costed the publishers $196,59513.2 last year.