Question 1124374
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Her regular payment was

   (60 dollars + 0.2*60) 5 times per week = (60 + 12)*5 = 72*5 = 360 dollars.


Her updated payment will be

   (60 dollars + 0.16*60) 5 times per week = (60 + 9.60)*5 = 69.6*5 = 348 dollars.


She will save  360 - 348 = 12 dollars per week.
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