Mathematics, 23.06.2019 10:00 kelly1240
Johns electricity bill costs $20.90 per month plus $1.23 per kilowatt hour. how many kilowatt hours can he use and keep his monthly costs no more than $109
Answers: 2
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Johns electricity bill costs $20.90 per month plus $1.23 per kilowatt hour. how many kilowatt hours...
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