Slope is equal =
- coefficient of x / coefficient of y
slope = -6/12 = -1/2
D option is correct
Move all terms that don't contain x to the right side and solve.
x=−5/3−y/3
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Answer:C =$65 + $30G
Step-by-step explanation:
Given that :
Base fee charge = $65
Overage charge = $30 / per gigabyte for data that exceeds 2 gigabyte
C = cost ; G = total amount of gigabyte
Equation to represent plan; if more than 2 gigabyte are used :
Cost (C) = Base charge + (average charge * amount of gigabyte)
C = $65 + ($30 * G)
C =$65 + $30G
Cross-Multiply:
Divide by 3 on both sides:
Divide by x on both sides:
