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Home Q & A Board Science-Related Homework Help Mathematics
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nycgrrl012 nycgrrl012
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A year ago
The charge for telephone calls T is partly constant and partly varies with the number N of units of call. The bill for 420 units of call is N806, while the bill for 200 unit is N410

A. Obtain the charge per unit of calls
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AnonymousAnonymous
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A year ago
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nycgrrl012 Author
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A year ago
Thanks
bbbbbbbh
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Yesterday
Brilliant ツ
Zacellison
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2 hours ago
Smart ... Thanks!
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