Two power providers are marketing their electricity plans to residential customers. Everyday Electric Company offers a plan with
a base cost of $50 per month plus $0.075 per kilo-watt-hour (kwh) used. Consumer Power Limited offers a plan with a base cost of $30 per month plus $0.125 per kilo-watt-hour (kwh) used. Which graph correctly compares the cost of these competing electricity plans?`
1 answer:
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Answer: B) -48
Step-by-step explanation:
If the system of two linear equations has infinitely many solutions , then
For the given system of linear equations :
We , will have
The value of
Hence, the value of rs is -48.
Thus , the correct option is B) -48.