SOLUTION: Yoko purchased a prepaid phone card for \$30. Long distance calls cost 9 cents a minute using this card. Yoko used her card only once to make a long distance call. If the remaining

Algebra ->  Algebra  -> Expressions-with-variables -> SOLUTION: Yoko purchased a prepaid phone card for \$30. Long distance calls cost 9 cents a minute using this card. Yoko used her card only once to make a long distance call. If the remaining       Log On

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 Question 307732: Yoko purchased a prepaid phone card for \$30. Long distance calls cost 9 cents a minute using this card. Yoko used her card only once to make a long distance call. If the remaining credit on her card is \$27.93, how many minutes did her call last?Found 2 solutions by rfer, unlockmath:Answer by rfer(12726)   (Show Source): You can put this solution on YOUR website!30-27.93=2.07 2.07/.09=23 min Answer by unlockmath(1614)   (Show Source): You can put this solution on YOUR website!Hello, We can set up an equation using x to show minutes. 30-.09x=27.93 Subtract 30 to both sides to get: -.09x=-2.07 Divide both sides by -.09 to get: x= 23 minutes There we go. Make sense? RJ www.math-unlock.com