SOLUTION: Lashonda purchased a prepaid phone card for
$30
. Long distance calls cost
7
cents a minute using this card. Lashonda used her card only once to make a long distance call. I
Algebra ->
Expressions-with-variables
-> SOLUTION: Lashonda purchased a prepaid phone card for
$30
. Long distance calls cost
7
cents a minute using this card. Lashonda used her card only once to make a long distance call. I
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Question 1060151: Lashonda purchased a prepaid phone card for
$30
. Long distance calls cost
7
cents a minute using this card. Lashonda used her card only once to make a long distance call. If the remaining credit on her card is
$27.27
, how many minutes did her call last?
You can put this solution on YOUR website! Let the minutes be x
Her call lasted for:
0.07x = 30-27.27 Subtract on right and then divide both sides by 0.07, you get:
x = 39