Math Help!

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Kayla buys a $20 phone card. She is charged $0.15 per minute for long distanced calls. What equation gives the value (v) left on her card after she makes (t) minutes of long distance calls.

  • Math Help! -

    20 - 0.15t = v

  • maty -

    thank you

  • Math Help! -

    You're welcome.

  • Math Help! -

    thank

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