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Jessica purchased a prepaid phone card for $15 . Long distance calls cost 22 cents a minute using this card. Jessica used her card only once to make a long distance call. If the remaining credit on her card is $11.92 , how many minutes did her call last?

Respuesta :

jg71
simply subtract $11.92 from $15.00 then divide that by $0.22 to get the minutes
so..

[tex]15.00 - 11.92 = 3.08[/tex]
[tex]3.08 \div .22 = 14[/tex]
[tex]14 \: minutes[/tex]

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