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Two companies are selling electricity by Kilo-watt hour. The cost of electricity for Company A is represented in the table below, while the cost for Company B is represented by an equation, with y representing the total cost in dollars for x kilowatt hours.
Company A
Total Kilowatt-Hours
Total Cost ($)
1116
122.76
1286
141.46
Company B
y = 0.12x
Find the total cost in dollars of buying 1,236 kilowatt hours of electricity from the cheapest company.
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