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Donovan M
Donovan M asked in Science & MathematicsMathematics · 1 decade ago

algebra word problem?

i need this in mathmatical terms instead of words (equation)

A show on television ran 30 minutes. This was 7 minutes longer than 3 times the length of the commercials. Use x for the length of the commercials and type an equation which represents this problem.

3 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    30 = 7 + 3x

    solve for x

    commercials ran 7.66 minutes

  • ankh-drew
    1 decade ago

    3x+7=30

    (3 times longer than adverts +7 minutes = 30min tv show)

  • dancey
    Lv 4
    5 years ago

    If the scholars contemporary grade is a ninety% then we’re of direction assuming it’s out of one hundred% ninety/one hundred Now via fact the scholars grade superior 20% from the final grading era then you definately upload that to the previous one hundred% providing you with ninety/ one hundred twenty = .seventy 5 and because grades are in possibilities you multiply .seventy 5 by using one hundred providing you with seventy 5% via fact the scholars previous grade

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