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.
Anonymous
Favorite Answer
30 = 7 + 3x
solve for x
commercials ran 7.66 minutes
ankh-drew
3x+7=30
(3 times longer than adverts +7 minutes = 30min tv show)
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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