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7 June, 09:22

Salma purchased a prepaid phone card for $15 Long distance calls cost 6 cents a minute using this card. Salma used her card only once to make a long distance call. If the remaining credit on her card is $13.14 how many minutes did her call last?

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  1. 7 June, 10:26
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    m=17

    Step-by-step explanation:

    $15 minus $0.14 (# minutes) = $12.62

    15 -.14m = 12.62

    .14m = 15 - 12.62

    .14m = 2.38

    m = 2.38/.14

    m = 17 minutes
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