SOLUTION: The cost of a long distance telephone call is $0.36 for the first minute and $0.21 for each additional or portion thereof. Write an inequality representing the number of minutes a
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Question 114874: The cost of a long distance telephone call is $0.36 for the first minute and $0.21 for each additional or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3. Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! .36+.21x<3
.21x<3-.36
.21x<2.64
x<2.64/.21
x<12.57 minutes answer.
proof:
let x=12 additional minutes.
.36+.21*12<3
.36+2.52<3
2.88<3
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