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mrs_skeptik [129]
3 years ago
10

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?
Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0
I think the answer is 12.6 extra gigabytes because:

20 - 51.50 = 31.50

31.50 / 2.50 = 12.6
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