SOLUTION: A telephone company charges $0.89 for the first 15 minutes of a long distance call and $0.4 for each minute thereafter. Find the cost of a 30 minute call.
$0.89 * 15min.= $1
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$0.89 * 15min.= $1
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Question 121960This question is from textbook Fundamental of Algebraic Modeling
: A telephone company charges $0.89 for the first 15 minutes of a long distance call and $0.4 for each minute thereafter. Find the cost of a 30 minute call.
$0.89 * 15min.= $13.35 $0.04 * 15 min = $0.60
$13.35 +$0.60 = $13.95 for a 30 min call This question is from textbook Fundamental of Algebraic Modeling
You can put this solution on YOUR website! I think you may have an error in the first calculation.
You did not mention that it was $0.89 per minute,
so the first 15 minutes would only cost $0.89.
Also, you mentioned $0.4/minute in the discussion but in the calculation you used $0.04/minute.
40 cents per minute versus 4 cents per minute.
Total cost = (First 15 minute cost) + (Next 15 minutes cost)
Total cost = ($0.89) + ($0.4 OR $0.04)*15
Total cost = ($0.89) + ($6.00 OR $0.60)
Total cost = ($6.89) OR ($1.49)
