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you were charged $51.50 last month for data usage on your smartphone. your data plan charges a monthly fee of $20 plus $2.50 for each extra gigabyte used. how many extra gigabytes did you use last month?
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you were charged $51.50 last month for data usage on your smartphone. your data plan charges a monthly fee of $20 plus $2.50 for each extra gigabyte used. how many extra gigabytes did you use last month?

User Shane Holloway
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1 Answer

7 votes
I think the answer is 12.6 extra gigabytes because:

20 - 51.50 = 31.50

31.50 / 2.50 = 12.6
User Paco Wong
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