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Mathematics 11 Online
OpenStudy (anonymous):

The monthly cost of electricity in Smithville is determined by the function C(e) = $0.18e + $25.25, where e is the amount of electricity used in kilowatt-hours (kWh) and C(e) is the total cost. If the Fox family used 861 kWh of electricity last month, how much was their bill? A. $180.23 B. $162.23 C. $181.52 D. $154.98

OpenStudy (anonymous):

just put e=861 C(861)= 0.18*861 + 25.25

OpenStudy (anonymous):

So, A? @divu.mkr

OpenStudy (anonymous):

180.23

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