devynlovesboys devynlovesboys

06-11-2020
Mathematics

contestada

teresa purchased a prepaid phone card for $30. Long distance calls cost 7 cents a minute using this card. Teresa used her card only once to make a long distance call. if the remaining credit on her card is $28.32, how many minutes did her call last?

Respuesta :

fengwan0102 fengwan0102

06-11-2020

Answer:

24min

Step-by-step explanation:

30-28.32=1.68

1.68/0.07cents=24

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