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Mathematics 25 Online
OpenStudy (anonymous):

Kala purchased a prepaid phone card for $30 . Long distance calls cost 16 cents a minute using this card. Kala used her card only once to make a long distance call. If the remaining credit on her card is $22.80 , how many minutes did her call last?

OpenStudy (anonymous):

7.2 min

OpenStudy (anonymous):

THANK YOU !!!! (:

OpenStudy (anonymous):

Its simple math you subtract 22.80 from 30 and boom there's your answer :)

OpenStudy (anonymous):

You can give me a medal by clicking "best response" next to my answer. :)

OpenStudy (anonymous):

i never saw it like that ? but it helped thanks (:

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