SOLUTION: A long distance call costs $0.54 for the first minute.$0.52 for each additional minute and a $2.57 service charge. If the cost of a call is $5.19, how long did the person talk?
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Question 1187378: A long distance call costs $0.54 for the first minute.$0.52 for each additional minute and a $2.57 service charge. If the cost of a call is $5.19, how long did the person talk? Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! C=$2.57+$0.54+$0.52 (x-1), where x is the number of total minutes used.
5.19=2.57+0.54+0.52(x-1)
2.62=0.54+0.52(x-1)
2.08=0.52(x-1) divide both sides by 0.52
4=x-1
x= 5 minutes
$2.57
$0.54
$2.08 for 4 more minutes
sum is $5.19
