The telephone company charges $1.35 fir the first 3 minutes of a phone call and $0.35 for each additional minute. i talk on the
phone from 4:17 pm till 4:31 pm. what will the phone call cost?
1 answer:
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Base = Height, Let them be x.
Solve quadratic equation:
x=6, x=-2(rejected because base and height is positive)
6x6/2 =18
Solve quadratic equation:
x=6, x=-2(rejected because base and height is positive)
6x6/2 =18