Customers of a phone company can choose between two servers plans for a long-distance calls. The first plant has $27 monthly fee
and charges an additional $0.07 for each minute of calls. The second plan has no monthly fee but charges $0.11 for each minute of calls. For how many minutes of calls with the cost of the two plans be equal?
1 answer:
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Answer:
y=4x-27
Step-by-step explanation:
Parallel lines have the same slope, so lets use 4 as the slope.
Plug in the slope, and the two points into point-slope form to find the y-intercept:
<u>y+3=4(x-6)</u>
1) Distribute the 4 to x and -6:
y+3=4x-24
2) Subtract 3 from both sides:
y=4x-27
