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Gr 10 revenue problem.? |
A framer at a photo gallery wants to frame a print with a matte of uniform width all around the print. To make it pleasing to the eye, the area of the matte should equal that are of the print. If the print measures 40cm by 60cm, how wide should the matte be? 2)Tickets to a school dance cost $ 4 and the projected attendance is 300 persons. For every $0.10 increase ijn ticket price, the dance committee projects that the attendance will decrease by 5. what ticket price will genereate $1237.50 in revenue plz help me any of these 2 questions will be great....The unit of math is "Connecting the Parabola and Its Zeros to the Quadratic Formula" Number two: 123750=(400+10x)(300-5x) 0=(400+10x)(300-5x)-123750 0=(120000-2000x+3000x-50x²)-12... 0=120000-123750-2000x+3000x-50... 0=-3750+1000x-50x虏 0=-50x虏+1000x-3750 0=-50(x虏-20x+75) 0=-50(x-5)(x-15) therefore, the ticket price would be $5.00 |
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