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An internet company charges $12 per gigabyte of data plus a monthly service charge of $18. Last month, Niki's bill was $78. Write an equation to find how many gigabytes of data Niki used last month.

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ashish4112119

Answer:

5 gigabytes

Step-by-step explanation:

gb = gigabytes

bill - monthly service charge = gigabytes only bill

gigabytes only bill divided by charges per gigabyte = gb of data used

78 - 18 = 60

60 divided by 12 = 5

18

78

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