SC READY Math Grade 8 Practice Questions - South Carolina SC READY Mathematics Assessment - Grade 8 Exam

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Solar Plan A charges $100 base fee plus $0.12 per kWh used. Solar Plan B charges $40 base fee plus $0.17 per kWh. For what usage in kWh (x) is Plan A CHEAPER than Plan B?

For x > 1,200 kWh For x < 1,200 kWh For x > 600 kWh For x > 1,400 kWh

Correct Answer:

For x > 1,200 kWh

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